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1
Dixit, Dr Santosh. "All-On-4 Implant with Hybrid Prosthesis Opposing Implant Supported Overdenture- A Case Report." Journal of Medical Science and clinical Research 12, no. 04 (April 30, 2024): 90–96. http://dx.doi.org/10.18535/jmscr/v12i04.14.
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Implant-supported prosthetic solutions have revolutionized the field of dental rehabilitation, particularly for patients with extensive edentulism or failing dentition. Among these, the All-on-4 implant technique has gained popularity due to its ability to provide and aesthetic restoration with fewer implants and reduced surgical complexity. However, challenges such as insufficient bone volume or poor bone quality in the edentulous maxilla or mandible may necessitate alternative approaches to ensure long-term success and patient satisfaction. One such approach involves the integration of a hybrid prosthesis with All-on-4 implant concept opposing an implant-supported overdenture. This hybrid solution combines the stability and support of dental implants with the comfort and versatility of removable prostheses, offering a balance between fixed and removable options. Key aspects covered include the selection of appropriate candidates for this treatment modality, diagnostic imaging techniques for precise implant placement, surgical protocols for achieving optimal osseointegration and soft tissue management, prosthetic fabrication processes including material selection and occlusal considerations, postoperative care and maintenance strategies to ensure long-term success. Through a comprehensive examination of current literature, clinical case studies, and expert opinions, this case report aims to provide clinicians with valuable insights into the rationale, planning, execution, and outcomes of utilizing a hybrid prosthesis with All-on-4 implant concept opposing an implant-supported overdenture. By understanding the indications, advantages, limitations, and clinical nuances of this treatment approach, dental professionals can effectively address the diverse needs and preferences of edentulous or near-edentulous patients, ultimately improving their quality of life and oral health outcomes. Keywords: All-on-4 implants, hybrid prosthesis, implant-supported overdenture, prosthetic rehabilitation, bone quality, patient satisfaction.
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Rahajoeningsih, Poedji, and Rosida Manurung. "Jenis-jenis gigitiruan dukungan implan Implant-supported dentures." Journal of Dentomaxillofacial Science 12, no. 1 (February 28, 2013): 44. http://dx.doi.org/10.15562/jdmfs.v12i1.348.
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Dental implants, or completely said as dental implant bodies, function as analogues of tooth roots, achieving aunion directly with jawbone following their insertion into a prepared socket in the bone. Implant system have threebasic components, namely the dental implant body that is lying in the jawbone, abutment that lies on the jawboneand the prosthesis. Dental implants may stabilize a removable prosthesis, complete or partial overdentures, and orsupport and stabilize a fixed prosthesis. In designing implant-supported removable prostheses, there are three formsof anchorage frequently used, namely bar/sleeve (clip) joints which links two or more implants, ball/cap anchoragesapplied individually to two or more isolated implants, and magnets/magnetic keepers. Implant-supported fixedprosthesis is either screwed to or cemented on to the abutment.
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ALMEIDA, Híttalo Carlos Rodrigues de, Ellane Talita Silvano de SANTANA, Nikácio Adnner Tavares dos SANTOS, Patrícia Karla Macedo de MORAES, Yasmin Rafaelle Furtado de ARAÚJO, and Marleny Elizabeth Marquez de Martinez GERBI. "Clinical aspects in the treatment planning for rehabilitation with overdenture and protocol-type prosthesis." RGO - Revista Gaúcha de Odontologia 63, no. 3 (September 2015): 271–76. http://dx.doi.org/10.1590/1981-863720150003000032920.
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Objective: The aim of this study was to criticaly review the published literature regarding the clinical aspects involved in the rehabilitation of edentulous patients using Branemark protocol and overdenture prostheses. Methods: An active search was conducted in the LILACS, MEDLINE, PubMed, and SciELO databases using the descriptors: "Coating for dentures" (Overlay Prosthesis and Overdenture) and "Implant-supported fixed dental prosthesis" (Protesis dental de suporte implantado, Dental prosthesis, and Implant Supported Prosthesis) in Portuguese, English, and Spanish between January 2000 and October 2014. Results: The following parameters should be considered when selecting between Branemark protocol and overdenture prostheses: bone support, lip support, lip-line, upper lip length, oral mucosa conditions and size, alveolar ridge contour, crown-bone ratio, interarch space, and speaking space. Overdenture rehabilitation can provide many benefits to patients, such as prosthetic retention, stability, comfort, and improved aesthetics. Conclusions: This study highlights the need for a thorough individualized treatment planning to ensure that fixed prostheses and overdentures have an excellent prognosis when used appropriately in suitable patients at the appropriate time.
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Bonnet, Anne Sophie, Marwan Daas, Michel Postaire, and Paul Lipiński. "Numerical Simulations of the Global Behaviour of Implant Supported or Retained Dental Prostheses." Materials Science Forum 638-642 (January 2010): 518–23. http://dx.doi.org/10.4028/www.scientific.net/msf.638-642.518.
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In spite of the recent efforts concerning prevention and treatment of dental diseases, total edentulism remains an important world health problem, even in industrialized countries. Different solutions to mandibular total edentulism are available from the classical removable denture to the implant supported prostheses. The aim of the present work is to compare, through finite element simulations, two distinct types of prosthetic solutions. The first one is an implant-supported prosthesis (ISP) using a “All-On-Four” base and the second one is a mandibular implant-retained overdenture (IRO) using two implants. A foodstuff situated on molar is modelled to simulate the mastication force. An orthotropic behaviour is assumed inside the symphyseal area. The results of the simulations show a strong influence of the prosthetic solution type on the stress and strain repartition in the implant and peri-implant bone. This can be explained by the difference of load transfer to bone between those two configurations. Indeed, in the implant-supported prosthesis, the totality of the mastication force is directly transmitted to peri-implant bone whereas the implant-retained solution benefits from a large participation of mucosa to the global load transfer from overdenture to bone.
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Toti, Paolo, Simone Marconcini, Giammarinaro Enrica, Giorgio Pedretti, Antonio Barone, and Ugo Covani. "The Influence of Prosthesis Design on the Outcomes of Tooth Implants Immediately Placed and Loaded by Means of One-Piece Titanium Machined Restoration." Journal of Oral Implantology 44, no. 2 (April 1, 2018): 87–93. http://dx.doi.org/10.1563/aaid-joi-d-17-00152.
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Our purpose was to evaluate the occurrence of complications and the degree of bone loss in a cohort of patients treated with fixed prostheses supported by immediately loaded dental implants. The primary aim was to compare partial versus full-arch fixed dental prostheses. We then tested the effect of sinus lifting. In the present retrospective cohort study, the patients had their implants restored with fixed dental prostheses supported by dental implants positioned in the posterior maxilla and mandible. When necessary, the maxillary sinuses were grafted with particulate autogenous bone. Patients were then ranked according to the following predictors: length of prosthesis, crown-to-implant ratio, number of crowns to number of implants ratio, and presence of sinus lifting. Outcomes were evaluated for up to 2 years regarding the peri-implant marginal bone loss and implant/prosthesis survival rates. Fifty-eight subjects (209 implants) were rehabilitated with 25 fixed full-arch prostheses and 33 partial fixed dental implant bridges (16 supported by implants placed in grafted sinus). The mean marginal bone loss for implants supporting partial fixed dental prostheses amounted to 0.81 mm, whereas that for implants within the group of full-arch fixed dental prostheses was 1.21 mm; the comparison of the levels in the 2 groups showed a significant difference (P = .0055). A statistically significant difference (P = .0006) was found between the bone loss around maxillary implants (1.53 mm) and the bone loss around mandibular implants (1.10 mm). Two implants and 4 prostheses failed; 2-year survival rates of partial and of full-arch fixed dental prostheses, respectively, were 94.1% and 96%. Bone loss in full-arch prostheses appeared to be higher than in that of partial prosthesis. Implant-supported prostheses in the maxillae exhibited a bone loss higher than that registered in mandibles.
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Parasrampuria, Nikita, Saurav Banerjee, Dolanchanpa Dasgupta, and Dipankar Pal. "Follow-up study of implant-tooth supported fixed dental prosthesis versus free-standing implant supported fixed dental prosthesis: A systematic review and meta-analysis." IP Annals of Prosthodontics and Restorative Dentistry 9, no. 4 (December 15, 2023): 196–205. http://dx.doi.org/10.18231/j.aprd.2023.038.
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This systematic review and meta-analysis was conducted to identify studies which compared tooth implant supported fixed dental prosthesis and exclusively implant supported fixed dental prosthesis for assessments of implant failure, prosthesis failure, abutment tooth failure and other biological and mechanical failuresA cumulative electronic and manual search were performed, and one hundred and forty-three articles published before May/June 2021 were identified. Out of these ninety-six were excluded and finally seven articles that met the inclusion criteria was included in the review.A database was established into which information extracted from each paper was tabulated. For the parameter of prosthetic stability. Overall relative risk calculated was 1.0328 with confidence interval of 0.9747 to 1.0987. p-value was 0.2623 and it was not significant. ANOVA test was run on the results which yielded f-ratio value of 0.49412 and accordingly the p-value is 0.49. Although marginal bone loss was less in tooth implant group, but the results were not significant at p < .05. Many authors were not clear about the implant failure in treatment groups. Overall, 20 implants failed in the study. 7 patients had some sort of sensory disturbance in mental region in Gunne’s and Olssun’s study.Within the limitations of the current meta-analysis and systematic review, it is suggested that implant tooth supported fixed dental prosthesis can be an alternative and viable treatment option for the replacement of partially edentulous patient since no significant difference was observed in two designs of the prostheses.
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Pradeep, Philip. "Restoration of Hybrid Prosthesis for Misplaced Implants – A Case Report." Clinical and Medical Research and Studies 1, no. 1 (August 3, 2022): 1–3. http://dx.doi.org/10.59468/2836-8525/001.
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An implant-supported hybrid prosthesis is an acrylic resin complete fixed dental prosthesis and supported by implants might be a solution in extreme cases that the need of the restoration for esthetics, function, lip support, and speech. This clinical report aims to present the esthetic and functional prosthetic rehabilitation of a borderline case with implant-supported hybrid prostheses. A 31yrs old female patient was referred to the department of prosthodontics for rehabilitation of angulated implants. The intra-arch dimension of the patient was excessive and an insufficient peri-oral soft tissue support was observed. The clinical and radiologic examinations showed satisfactory implant health. After 3 years of follow-up, no functional, phonetic, or esthetic problems with the restorations were noted. This case reports suggest that implant-supported hybrid prostheses can be a reliable alternative treatment procedure when a porcelain-fused metal fixed restoration does not satisfy a patient's requirements for esthetics, phonetics, oral hygiene, and oral comfort.
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Mai, Hai Yen, Jae-Min Seo, Jae-Kwang Jung, and Du-Hyeong Lee. "Strategic Use of CAD-CAM Interim Restoration for the Recovery of the Vertical Dimension of Occlusion in the Posterior Partially Edentulous Jaw." Applied Sciences 10, no. 21 (October 31, 2020): 7735. http://dx.doi.org/10.3390/app10217735.
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Occlusal contact loss occasionally occurs following the placement of implant-supported fixed dental prostheses in the posterior region. This complication is caused by the change in the vertical dimension of occlusion after the recovery of mastication. The change is probably related to the prosthesis sinking phenomenon and previous mandibular dislocation. The use of interim prostheses could help re-establish the vertical dimension of occlusion. The definitive prostheses can then be accurately fabricated using digital techniques in the newly established vertical dimension. In this case report, we introduce a protocol incorporating a computer-aided design and computer-aided manufacturing (CAD-CAM) interim prosthesis and digital techniques to minimize the occurrence of unexpected initial occlusal changes in the prosthetic treatment of implant-supported prostheses in the posterior region.
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Probst, Livia Fernandes, Tazio Vanni, Denise De Fátima Barros Cavalcante, Erica Tatiane da Silva, Yuri Wanderley Cavalcanti, Luis Augusto Passeri, and Antonio Carlos Pereira. "Cost-effectiveness of implant-supported dental prosthesis compared to conventional dental prosthesis." Revista de Saúde Pública 53 (February 7, 2019): 69. http://dx.doi.org/10.11606/s1518-8787.2019053001066.
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OBJECTIVE: To conduct a cost-effectiveness analysis of alternatives for rehabilitation treatment of mandibular edentulism in the context of the Brazilian Unified Health System (implantsupported total dental prosthesis versus conventional total dental prosthesis). METHODS: A Markov model was developed to capture long-term clinical and economic outcomes. The model’s population was comprised of a hypothetical cohort of 1,000,000 patients, aged 55 years, with total mandibular edentulism and without medical contraindications for performing surgical procedures. The adopted analysis perspective was that of the Brazilian Unified Health System. Based on the proposed model, we calculated cost – in BRL, and effectiveness – measured by quality-adjusted prosthesis year (QAPY). The time horizon of the analysis was 20 years. RESULTS: Considering a 5% discount in costs and effects, the incremental cost-effectiveness ratio of implant-supported total dental prostheses compared to conventional total dental prosthesis (BRL 464.22/QAPY) was lower than the willingness to pay threshold adopted in the model (BRL 3,050.00/QAPY). CONCLUSIONS: The results of this economic analysis showed that the rehabilitation of mandibular edentulous patients by implant-supported total prosthesis is very cost-effective when compared to conventional complete prosthesis, considering the cost-effectiveness limits employed.
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Venezia, Pietro, Ferruccio Torsello, Vincenzo Santomauro, Vittorio Dibello, and Raffaele Cavalcanti. "Full Digital Workflow for the Treatment of an Edentulous Patient with Guided Surgery, Immediate Loading and 3D-Printed Hybrid Prosthesis: The BARI Technique 2.0. A Case Report." International Journal of Environmental Research and Public Health 16, no. 24 (December 17, 2019): 5160. http://dx.doi.org/10.3390/ijerph16245160.
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Purpose: To describe a technique intended to transfer of the intermaxillary and occlusal relationships in a fully digital environment from a complete denture to an implant-supported 3D-printed hybrid prosthesis (an acrylic resin complete fixed dental prosthesis supported by implants). Methods: In edentulous cases, the physiological mandibular position should be determined before the immediate loading procedures. In some cases, the use of interim removable prostheses for a few weeks could be useful to test the new occlusion in centric relation and to verify the prosthetic project. When the correct intermaxillary relationships are achieved, it is difficult to transfer them from the provisional to the final prostheses, as impressions or scans of edentulous arches do not have reference points for intermaxillary records. This paper presents a complex case and the technique used to transfer information from a complete denture to an implant-supported prosthesis with a digital workflow. A prosthetic stent has been used to scan the edentulous mandibular arch and to record the intermaxillary relation. Results: The delivery of the hybrid implant-supported prostheses was carried out with no problems and minimal occlusal adjustments. The patient was extremely satisfied with the treatment and the situation remained stable at the 1-year follow up. Conclusions: The approach described in the present article predictably maintains prosthetic information and allows the delivery of a final implant-supported restoration with the same occlusal relationship as the one tested with the provisional diagnostic dentures.
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Jain, Himani, Tarun Kalra, Manjit Kumar, Ajay Bansal, and Deepti Jain. "Three-Dimensional Finite Element Analysis to Evaluate Stress Distribution in Tooth and Implant-Supported Fixed Partial Denture–An In Vitro Study." Dental Journal of Advance Studies 8, no. 03 (August 5, 2020): 084–91. http://dx.doi.org/10.1055/s-0040-1714331.
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Abstract Introduction This study was undertaken to assess the influence of different superstructure materials, when subjected to occlusal loading, on the pattern of stress distribution in tooth-supported, implant-supported, and tooth implant-supported fixed partial prostheses, using the finite element analysis with a comparative viewpoint. Materials and Methods The geometric models of implant and mandibular bone were generated. Three models were created in accordance with the need of the study. The first model was given a tooth-supported fixed partial prosthesis. The second model was given tooth implant-supported fixed partial prosthesis, and the third model was given implant-supported fixed partial prosthesis. Forces of 100 N and 50 N were applied axially and buccolingually, respectively. Results The present study compared the stresses arising in the natural tooth, implant, and the whole prostheses under simulated axial and buccolingual loading of three types of fixed partial dentures, namely, tooth-supported, tooth implant-supported, and implant-supported fixed partial dental prostheses using three different types of materials. Conclusion The pattern of stress distribution did not appear to be significantly affected by the type of prosthesis materials in all models. The maximum stress concentrations were found in the alveolar bone around the neck of the teeth and implants.
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Ceylan, Gözlem, Nergiz Yılmaz, Özgün Şenyurt, and Göknil Ergün Kunt. "Implant Supported Prosthesıs in a Patıent wıth Progerıa: Case Report." Bosnian Journal of Basic Medical Sciences 9, no. 3 (August 20, 2009): 210–14. http://dx.doi.org/10.17305/bjbms.2009.2808.
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Prosthodontic rehabilitation can be accomplished with fixed, overdenture, complete, or implant-retained prostheses. Dental treatment overcomes the patient’s functional, psychological, esthetic and phonation problems. Remaining healthy teeth may allow the dentist to fabrícate a removable partial overdenture, fixed partial prosthesis or implant - supported prosthesis. The retention of a number of abutments helps maintain a positive ridge form with greater height and volume of the alveolar bone, improving masticatory performance, as well as providing a more stable prostheses. Dental patients who have medical problems need many treatment procedures. Multidisciplinary treatment planning is invaluable for patient’s dental health. Progeria is a rare genetic condition where symptoms resembling aspects of aging are manifested at an early age. characteristic clinical findings of Progeria disease include abnormalities of the skin and hair in conjunction with char-acteristic facial features and skeletal abnormalities. The characteristic facies show protruding ears, beaked nose, thin lips with centrofacial cyanosis, prominent eyes, frontal and parietal bossing with pseudohydrocephaly, midface hypoplasia with micrognathia and large anterior fontanel. The other reported anomalies are dystrophic nails, hypertrophic scars and hypoplastic nipples. The findings that are nearly interested in dentistry are delayed dentition, anodontia, hypodontia, or crowding of teeth. This article presents the multidisciplinary dental treatment planning includes surgical, endodontic and prosthetic treatment of a patient with a history of progeria. In this case complete-arch fixed prostheses in both maxilla and mandible, supported by a combination of im-plants and teeth are reported.
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Montero, Javier. "A Review of the Major Prosthetic Factors Influencing the Prognosis of Implant Prosthodontics." Journal of Clinical Medicine 10, no. 4 (February 17, 2021): 816. http://dx.doi.org/10.3390/jcm10040816.
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Background: The treatment plan of prosthetic restorations supported by dental implants requires comprehensive scientific knowledge to deliver prostheses with good prognosis, even before the implant insertion. This review aims to analyze the main prosthetic determinants of the prognosis of implant-supported prostheses. Methods: A comprehensive review of the literature was conducted with a PICO (Patient Intervention Comparison Outcomes) question: “For partially or complete edentulous subjects treated with implant-supported prostheses, which prosthetic factors could affect clinical outcomes?”. A literature search was performed electronically in PubMed (MEDLINE), Scopus and Cochrane Library with the following equation [PROGNOS * OR RISK] FACTOR IMPLANT DENTAL, and by hand search in relevant journals and throughout the selected papers. Results: This revision was carried out based on 50 papers focused on several prosthodontics-related risk factors that were grouped as follows: implant-connection, loading protocol, transmucosal abutments, prosthetic fit, provisionalization, type of retention, impression technique, fabrication technique, and occlusion. More than a half of the studies were systematic reviews (30%), meta-analysis (16%), or prospective evaluations of prosthesis with various kinds of events (18%). However, narrative reviews of literature (14%) and in vitro/animal studies (16%) were also found. Conclusions: The current literature provides insufficient evidence for most of the investigated topics. However, based on the accumulated data, it seems reasonable to defend that the best treatment approach is the use of morse taper implants with transmucosal abutments, recorded by means of rigidly splinted copings through the pick-up technique, and screwed by milled prosthesis occlusally adjusted to minimize functional overloading.
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Soumya, P., K. Aravind, S. C. Ahila, and Murugan Suresh Kumar. "Clinical procedures in stage II implant supported fixed dental prosthesis: A case report." Journal of Academy of Dental Education 7 (December 8, 2021): 49–53. http://dx.doi.org/10.25259/jade_12_2021.
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Restoring a partially edentulous jaw with implant-supported prosthesis is a challenge. The clinical outcome will be satisfactory only when both the surgical phase as well as the prosthetic phase are planned in advance and executed while keeping in mind the aesthetic and functional necessities. In this case report we describe the steps in successfully restoring the edentulous space with implant supported FP1 prosthesis. The sequential steps that were followed in the prosthetic phase has been described in detail. From the satisfactory outcome of the case, it can be concluded that proper evaluation, prosthetically driven treatment planning and correct execution of the plan would ensure good predictability of the implant-supported prosthesis.
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Bae, Eun-Bin, Won-Tak Cho, Hyun-Young Bae, So-Hyoun Lee, Tae-Hyung Kim, and Jung-Bo Huh. "Retrospective Clinical Study of a Freely Removable Implant-Supported Fixed Dental Prosthesis by a Microlocking System." BioMed Research International 2020 (November 3, 2020): 1–7. http://dx.doi.org/10.1155/2020/7929585.
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This retrospective clinical study was conducted to evaluate the clinical usefulness of a freely removable microlocking implant prosthesis (MLP) that was developed to overcome the problems with conventional implant prostheses. A total of 54 patients (male: 31, female: 23) and 100 implant prostheses were included. Patients were divided into three groups such as 6-12 months, 12-18 months, and 18-24 months according to the used period after implant prosthesis delivery, and the patients in each group were recalled for examinations of survival rate, marginal bone resorption, peri-implant soft tissue indices, and complications. The prosthetic complications were analysed by combining the recorded chart data during the periodic checks including the last call for this study. During a 2-year observation period, all the implants showed a 100% survival rate without clinical mobility and functional problems. There was no significant difference in marginal bone resorption, plaque index, and bleeding index over the observation period after implant prosthesis delivery. Probing depth of the 18-24 months group ( 1.5 ± 0.19 mm ) was significantly lower than that of the 6-12 months group ( p < 0.05 ). The main complication was abutment loosening (4%), followed by implant prosthesis fracture (2%) and food impaction (2%) which were recorded. Within the limits of the present study, the implant prostheses with MLP are considered to be an applicable and predictable treatment method.
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TORCATO, Leonardo Bueno, Paulo Renato Junqueira ZUIM, Daniela Atili BRANDINI, and Rosse Mary FALCÓN-ANTENUCCI. "Relation between bruxism and dental implants." RGO - Revista Gaúcha de Odontologia 62, no. 4 (December 2014): 371–76. http://dx.doi.org/10.1590/1981-8637201400040000032658.
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OBJECTIVE: The aim of this study was to gather information and discuss the predictability of implant-supported prostheses in patients with bruxism by performing a literature review. METHODS: In order to select the studies included in this review, a detailed search was performed in PubMed and Medline databases, using the following key words: bruxism, dental implants, implant supported prosthesis, and dental restoration failure. Items that were included are: case reports, randomized controlled trials, in vitro studies, literature and systematic reviews, with or without meta-analysis, of the last 20 years that addressed the theme. Articles without abstracts, animal studies, articles in languages other than English and articles from journals unrelated to the dental field were excluded. RESULTS: after analysis according to inclusion and exclusion criteria, 28 articles were selected from a total of 54. It is known from the array of scientific articles which have assessed, either through retrospective, prospective or experimental studies, that the biomechanical and biological impact of bruxism on implant-supported prostheses is small, and that the literature has contributed little to exemplify the prosthetic limits of safety for the specialist from a clinical point of view. CONCLUSION: Although there is still no general consensus on this matter, most of the literature review articles do provide clinical guidelines that contribute to implant supported prostheses longevity and stability in patients with bruxism.
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Abasolo, Mikel, Josu Aguirrebeitia, Javier Vallejo, Joseba Albizuri, and Ibai Coria. "Influence of vertical misfit in screw fatigue behavior in dental implants: A three-dimensional finite element approach." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 232, no. 11 (October 15, 2018): 1117–28. http://dx.doi.org/10.1177/0954411918806325.
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Misfit is unavoidable in dental implant-supported prostheses due to machining process or inappropriate assembling, and the definition of an admissible misfit is still a controversial issue. This work aims to understand the behavior of the screws in dental implant-supported prostheses to estimate an admissible vertical misfit value in terms of screw fatigue failure. For that purpose, a finite element model of a dental implant-supported prosthesis was created and analyzed. Vertical misfits were introduced in different positions, the lower and upper screws were tightened to the bolting force values recommended by the manufacturer, and two different occlusal loads were analyzed. In addition, two different prosthesis materials were studied. Screw load variations were reported and a fatigue analysis was performed. As a result, it was observed that the screw tightening sequence closed small vertical misfits (equal to or less than 40 µm), whereas larger misfits (more than 40 µm) remained open. If the vertical misfit is closed by the end of the tightening sequence, it may be considered equivalent to the ideal fit situation in regard to screw fatigue failure. The prosthesis material had no significant influence on the fatigue behavior.
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Manolea, Horia Octavian, Florian Obădan, Sanda Mihaela Popescu, Radu Rîcă, Petre Mărășescu, Alexandru Andrei Iliescu, Constantin Dăguci, and Sebastian Gradinaru. "Current Options of Making Implant Supported Prosthetic Restorations to Mitigate the Impact of Occlusal Forces." Defect and Diffusion Forum 376 (July 2017): 66–77. http://dx.doi.org/10.4028/www.scientific.net/ddf.376.66.
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The lack of a periodontium for a dental implant may lead to high stress concentration at the bone level when the implants are prosthetically loaded. The present paper discusses the current possibilities of implant supported prosthesis making in order to mitigate the impact of occlusal forces. The cement layer may serve as an absorber for the strain, but its role is reduced and poses the risk of excess cement retained in the peri-implant tissue. The use of resin materials for the implant supported prosthetic restorations veneering it has been suggested for many years, but their role it is important in the case of full-arch fixed implant-supported prosthesis with cantilever distal extensions and less in single implant restorations. Nowadays, new materials like fiber-reinforced composites and high-performance polymers as PEEK may be used for the framework of the implant supported prosthetic restorations, but also for the implant or the prosthetic abutment realization.
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Tribst, João Paulo Mendes, Amanda Maria de Oliveira Dal Piva, Roberto Lo Giudice, Alexandre Luiz Souto Borges, Marco Antonio Bottino, Ettore Epifania, and Pietro Ausiello. "The Influence of Custom-Milled Framework Design for an Implant-Supported Full-Arch Fixed Dental Prosthesis: 3D-FEA Study." International Journal of Environmental Research and Public Health 17, no. 11 (June 5, 2020): 4040. http://dx.doi.org/10.3390/ijerph17114040.
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The current study aimed to evaluate the mechanical behavior of two different maxillary prosthetic rehabilitations according to the framework design using the Finite Element Analysis. An implant-supported full-arch fixed dental prosthesis was developed using a modeling software. Two conditions were modeled: a conventional casted framework and an experimental prosthesis with customized milled framework. The geometries of bone, prostheses, implants and abutments were modeled. The mechanical properties and friction coefficient for each isotropic and homogeneous material were simulated. A load of 100 N load was applied on the external surface of the prosthesis at 30° and the results were analyzed in terms of von Mises stress, microstrains and displacements. In the experimental design, a decrease of prosthesis displacement, bone strain and stresses in the metallic structures was observed, except for the abutment screw that showed a stress increase of 19.01%. The conventional design exhibited the highest stress values located on the prosthesis framework (29.65 MPa) between the anterior implants, in comparison with the experimental design (13.27 MPa in the same region). An alternative design of a stronger framework with lower stress concentration was reported. The current study represents an important step in the design and analysis of implant-supported full-arch fixed dental prosthesis with limited occlusal vertical dimension.
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Devkota, G., SP Joshi, P. Shrestha, S. Sah, and A. Verma. "Prosthetic Rehabilitation of Completely Edentulous Unrepaired Cleft Palate Patient with Implant Supported Hader Bar and Clips: A Case Report." Journal of Nepalese Prosthodontic Society 5, no. 2 (December 31, 2022): 99–105. http://dx.doi.org/10.3126/jnprossoc.v5i2.55748.
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Prosthetic rehabilitation of an edentulous cleft lip and palate patient with a combined hard and soft palate defect is a great challenge, due to the lack of retention of the obturator prosthesis as a result of its weight and the inability to obtain a border seal. Dental implants improve the retention, stability, and occlusal function of prostheses when used in carefully selected cleft lip and palate cases. This clinical report presents an edentulous unilateral cleft lip and palate patient who has hard and soft palate defects and an atrophied maxilla, treated with an implant-supported speech-aid prosthesis Prosthetic rehabilitation of an edentulous cleft lip and palate patient with a combined hard and soft palate defect is a great challenge, due to the lack of retention of the obturator prosthesis as a result of its weight and the inability to obtain a border seal. Dental implants improve the retention, stability, and occlusal function of prostheses when used in carefully selected cleft lip and palate cases. The prosthetic rehabilitation of edentulous patient with unrepaired cleft palate poses a great challenge due to both hard and soft tissue defect compromising retention, support and stability of the obturator due to inability to obtain border seal and heavy weight. In carefully selected patient use of osseointegrated implant along with the bars and clips supporting and retaining maxillary overdentures on implants play a significant role in their efficacy. This clinical report presents an edentulous unilateral cleft palate patient treated with an implant-supported Hader bar and clips.
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Rozov, Roman, and Vladimir Trezubov. "DEVELOPMENT AND PRESCRIPTION OF THE FUNCTIONAL FOOD DIET TO THE PATIENTS WITH DENTAL PROSTHESIS." Actual problems in dentistry 17, no. 3 (November 12, 2021): 119–25. http://dx.doi.org/10.18481/2077-7566-21-17-3-119-125.
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Till present times nutritiology and dietology in dental practice are at rudimentary level. At the same time it is a well-known fact the chewing efficiency is much higher in case of having fixed prosthesis comparing with their removable denture counterpart. As for elderly population nourishment it is important to take into consideration the complexity of receiving of all the necessary nutrients. Quantity and quality of the food diet will directly affect their quality of life.
Aim. Development of the functional food diet ration for specific groups of dental patients
Materials and Methods. We surveyed 244 patients (84 males, 160 females) in the age range from 60 to 85 years (mean value 75.4+/-2.4) with different types of implant supported prostheses. We used clinical, sociological, nutritiological evaluation methods. Besides that we used GOHAI questionnaire and modified Wolfart questionnaire.
Results. We defined basic groups of dental patients who have indications for prescribing functional food diet:
a) patients utilizing removable dentures, especially full dentures, in the situation where antagonists would be intact dentition or dental arches with conventional or implant supported fixed bridges;
b) patients treated with immediate removable dentures, fixed implant supported prostheses, especially in case of big span bridges with limited amount of fixtures;
c) patients using removable implant supported overdentures;
d) Patients older than 70 years of age.
We established food rations based on intaking soft low viscosity liquid meal. High GOHAI scores (56.1+/-1.49) were the prove of the high efficiency and efficacy of the rehabilitation per se and also of the functional diet regimen recommended to the examined patients.
Conclusions. We developed functional food diet taking into consideration the short and long term period after finishing the implant supported or conventional, immediate or delayed prosthetic rehabilitation with the use of total prosthesis predominately for edentulous patients. Incorporation of these types of diet regimen in the rehabilitation plan oriented towards increasing the efficiency of the main treatment arrangements.
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Epifania, Ettore, Maria Pietrantonio, Nunziata Christian, and Pietro Ausiello. "Success, Survival and Prognostic Factors in Implant Prosthesis: Experimental Study." Journal of Oral Health and Craniofacial Science 8, no. 2 (December 19, 2023): 024–28. http://dx.doi.org/10.29328/journal.johcs.1001045.
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The primary objective of this study was to detect the success and short-term survival rate of dental implant prosthetic therapy. The valuation of a possible relationship between the general and local clinical conditions of the patients (presence of risk factors and type of dental implant-supported prosthesis) and the satisfaction perceived by the patient, with success and survival of implant devices was investigated. The sample trial consisted of 23 patients, for a total of 50 dental implants supporting a prosthetic therapy. Preliminarily, an analysis of averages and frequencies of the anamnestic data was presented, as numbers and percentages. The implant success rate was calculated by assessing whether the implants fulfilled the success criteria defined by the Pisa Consensus Conference. The ANOVA test was used to check whether there was an association between the success of the implant device, the anamnestic data collected, and the type of prosthesis supported by the implants. Finally, the survival rate was calculated using the Kaplan - Meier method. The 2-year success rate of 50 implants was assessed at 98%. The 2-year survival rate was 97%. Finally, sex, age, compensated diabetes, a smaller and equal number of cigarettes per day (10 per day), the BOP, and the type of titanium dental implants supported by prosthesis, do not determine a change in success and are therefore not adequate parameters to predict the outcome of implant success. Following the results obtained, it is appropriate to continue the research by expanding the clinical observation times in order to obtain more solid scientific and clinical evidence.
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Egilmez, Ferhan, Gulfem Ergun, Isil Cekic-Nagas, and Suleyman Bozkaya. "Implant-supported hybrid prosthesis: Conventional treatment method for borderline cases." European Journal of Dentistry 09, no. 03 (July 2015): 442–48. http://dx.doi.org/10.4103/1305-7456.163324.
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ABSTRACTAn implant-supported hybrid prosthesis is an acrylic resin complete fixed dental prosthesis and supported by implants might be a solution in extreme cases that the need of the restoration for esthetics, function, lip support, and speech. This clinical report aims to present the esthetic and functional prosthetic rehabilitation of three borderline cases with implant-supported hybrid prostheses. Patient 1 (62-year-old man) and Patient 2 (61-year-old man) presented a chief complaint of a compromised esthetic. After clinical evaluations, in Patient 1, 8 implants in the maxilla and 7 implants in mandibula were observed. Patient 2 had 7 implants in the maxilla and 7 implants in mandibula, which were previously placed. The intra-arch dimension of both patients was excessive and an insufficient peri-oral soft tissue support was observed. Patient 3 was a 61-year-old man had 2 implants with a history of previously implanted graft infection and implant loss on his maxillary posterior jaw. An excessive intra-arch dimension was observed in clinical examination. In addition, massive bone defect and insufficient soft tissue support were examined. In all patients, implant-supported hybrid prostheses were successfully performed. The clinical and radiologic findings were satisfactory. After 3 years of follow-up, no functional, phonetic, or esthetic problems with the restorations were noted. These case reports suggest that implant-supported hybrid prostheses can be a reliable alternative treatment procedure when a porcelain-fused metal fixed restoration does not satisfy a patient's requirements for esthetics, phonetics, oral hygiene, and oral comfort.
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Baqar, Anum, Saman Hakeem, Farnaz Ilyas, Abid Mohsin, Fatima Hassan, and Farah Javaid. "Awareness Regarding Implant Supported Dental Prosthesis; A Survey In Tertiary Care Set Up." Journal of Bahria University Medical and Dental College 08, no. 04 (October 1, 2018): 250–53. http://dx.doi.org/10.51985/jbumdc2018067.
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Objective: This research was aimed to assess the awareness and attitude regarding implant-retained prosthesis as the most advanced option for tooth replacement amongst residents of Karachi visiting tertiary care centre. Methodology: This cross-sectional survey was conducted in the department of Prosthodontics at Bahria University Dental Hospital, Karachi. Undertaking the demographic characteristics of patients, the objective was to determine the awareness and attitude toward implant supported prosthesis. Results: Amongst 380 responses retrieved, 9.8% of respondents were aware about the dental implant treatment. While correlating awareness with demographics features, awareness statistically increased with educational level (p= 0.00) and occupational category(p=0.01) of the participants. The friends and relative s(40.5%) were the main source of information regarding dental implant treatment modality. 54.1% were unwilling to undergo treatment with dental implant whereas high cost (55.2%)was the major limiting factor for implant treatment. 64.9% demanded dental insurance for getting the treatment. 45.9% had no knowledge regarding maintenance of implant supported prosthesis .73.0% had no idea regarding longevity of dental implant where as 86.5% were unaware of it’s impact on systemic health. Conclusion: The overall awareness regarding implant supported prosthesis was found to be minimal. This underlines the need of efforts and measures that should be made to raise the awareness and thus alter attitude towards dental implant therapy. Expensive rates (55.2%) was found to be the major limiting factor that should be relieved in the form of health insurance policies, especially in the developing countries like ours.
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Vyas, Ashish, Debjit Mukherjee, and Deepak Mehta. "Full Mouth Rehabilitation with Implant-Supported Cement-Retained Prosthesis in Severely Resorbed Ridges - A Case Report." International Journal of Health Sciences and Research 14, no. 4 (April 19, 2024): 506–10. http://dx.doi.org/10.52403/ijhsr.20240463.
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Restorative services for the elderly have been a growing demand through the ages of dental profession. The patients affected by edentulousness feel handicapped and under confident due to reduced chewing efficiency, difficulty in speech and poor facial esthetics. The main objective of dental implant is to replace the tooth, to restore its function, esthetics, and speech. Implant-supported prosthesis gives a good amount of scope to live a healthy life. Implants are the most preferred option to retain removable and fixed prosthesis. Implants have overcome the challenges of the anatomic, psychological and esthetic consequences of edentulousness. Full arch implant-supported prosthesis is a good treatment option for edentulous patients. Many studies have shown that this type of rehabilitation can be a long-term option as their success rates are high. The aim is to present a case report on full mouth rehabilitation with implant-supported cement-retained prosthesis for edentulous maxillary and mandibular arches. Key words: Dental implants, Cement retained prosthesis, edentulous
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Haroun, Feras, and Oguz Ozan. "Evaluation of Stresses on Implant, Bone, and Restorative Materials Caused by Different Opposing Arch Materials in Hybrid Prosthetic Restorations Using the All-on-4 Technique." Materials 14, no. 15 (August 1, 2021): 4308. http://dx.doi.org/10.3390/ma14154308.
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The long-term success of dental implants is greatly influenced by the use of appropriate materials while applying the “All-on-4” concept in the edentulous jaw. This study aims to evaluate the stress distribution in the “All-on-4” prosthesis across different material combinations using three-dimensional finite element analysis (FEA) and to evaluate which opposing arch material has destructive effects on which prosthetic material while offering certain recommendations to clinicians accordingly. Acrylic and ceramic-based hybrid prosthesis have been modelled on a rehabilitated maxilla using the “All-on-4” protocol. Using different materials and different supports in the opposing arch (natural tooth, and implant/ceramic, and acrylic), a multi-vectorial load has been applied. To measure stresses in bone, maximum and minimum principal stress values were calculated, while Von Mises stress values were obtained for prosthetic materials. Within a single group, the use of an acrylic implant-supported prosthesis as an antagonist to a full arch implant-supported prosthesis yielded lower maximum (Pmax) and minimum (Pmin) principal stresses in cortical bone. Between different groups, maxillary prosthesis with polyetheretherketone as framework material showed the lowest stress values among other maxillary prostheses. The use of rigid materials with higher moduli of elasticity may transfer higher stresses to the peri implant bone. Thus, the use of more flexible materials such as acrylic and polyetheretherketone could result in lower stresses, especially upon atrophic bones.
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Sahni, Sakshi, Devendra Chopra, Abhishek Gaur, and Sumit Kumar Misra. "A novel technique for retrieval of cement-retained crown from an implant abutment and converting it into a combination prostheses." Asian Journal of Oral Health and Allied Sciences 14 (February 8, 2024): 3. http://dx.doi.org/10.25259/ajohas_21_2023.
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Dental implant restoration is known to be a widely accepted treatment modality for the replacement of missing teeth and the restoration of masticatory function. Abutment screw loosening is one of the most common causes of failure in single implant-supported restorations, next to loss of osseointegration. Moreover, cement-retained implant-supported prostheses are infamous for their lack of predictable retrievability compared to screw-retained implant-supported prostheses. Management and retrieval of loosening screws are challenging, and this clinical report discusses the procedure for retrieving prosthesis from the abutment of the mandibular molar tooth with minimal damage to the existing restoration, making it possible to be reused.
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Demirekin, Zeynep Basagaoglu, and Elif Erten. "EVALUATION OF QUALITY OF LIFE-RELATED TO ORAL HEALTH AFTER DIFFERENT PROSTHETIC TREATMENTS IN EDENTULISM PATIENTS." International Journal of Research -GRANTHAALAYAH 10, no. 2 (March 8, 2022): 112–24. http://dx.doi.org/10.29121/granthaalayah.v10.i2.2022.4510.
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Background: The impact of edentulism on oral health status is an important public health issue. Conventional complete dentures, implant-supported removable dentures and implant-supported fixed dentures are evidence-based treatment IRPtions in the treatment of complete edentulism. Quality of life may be compromised due to various reasons such as functional problems, diseases, nutritional deficiency, physiological and psychosocial problems in individuals using prostheses.Objectives: Our aim in this study is to evaluate patient satisfaction of completely edentulous patients treated with conventional complete dentures, implant-supported removable dentures and implant-supported fixed dentures, oral health-related quality of life and to compare the effects on quality of life.Methods: In this study, total of 140 patients involved, 49 female and 91 males, aged between 40 and 90 who were completely edentulous and treated at least 6 months ago in the Prosthetic Dentistry Clinic.Patients were divided into 3 groups as conventional complete denture (CD), implant retained overdenture (IRP) and implant supported fixed prosthesis (ISFP). By Oral Health Impact Profile (OHIP-14), Oral Health-Related Quality of Life-United Kingdom (OHQoL-UK) questionnaires oral health-related quality of life was measured analyzed and obtained parameters were compared.Results: When all findings were evaluated, the oral health-related quality of life of the group treated with implant-supported fixed prosthesis were found to be higher than the conventional complete denture and implant-supported fixed prosthesis group. In addition, it was determined that implant-supported fixed and removable treatments had positive effects on patient satisfaction, quality of life compared to conventional complete denture treatment.Conclusions: Support from dental implants while making a prosthetic treatment plan in edentulous patients will contribute positively to the stability and retention of the prosthesis. This will increase the quality of life of the person by supporting patient satisfaction, adaptation to the prosthesis and nutrition
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Park, Gang-Seok, Seong-Kyun Kim, Seong-Joo Heo, Jai-Young Koak, and Deog-Gyu Seo. "Effects of Printing Parameters on the Fit of Implant-Supported 3D Printing Resin Prosthetics." Materials 12, no. 16 (August 9, 2019): 2533. http://dx.doi.org/10.3390/ma12162533.
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The purpose of the study was to investigate the influence of 3D printing parameters on fit and internal gap of 3D printed resin dental prosthesis. The dental model was simulated and fabricated for three-unit prostheses with two implants. One hundred prostheses were 3D printed with two-layer thicknesses for five build orientations using a resin (NextDent C&B; 3D systems, Soesterberg, The Netherlands) and ten prostheses were manufactured with a milling resin as control. The prostheses were seated and scanned with micro-CT (computerized tomography). Internal gap volume (IGV) was calculated from 3D reconstructed micro-CT data. IGV, marginal fit, and lengths of internal gaps were measured, and the values were analyzed statistically. For the 3D printed prostheses, IGV was smaller at 45°, 60°, and 90° compared to other build orientations. The marginal fit evaluated by absolute marginal discrepancy was smaller than other build orientations at 45° and 60°. IGV was smaller at 50 µm layer thickness than at 100 µm layer thickness, but the marginal fit was smaller at 100 µm layer thickness than at 50 µm layer thickness. The 3D printed prosthesis had smaller internal gap than the milled prosthesis. The marginal fit of the 3D printed resin prosthesis was clinically acceptable, and build orientation of 45° and 60° would be recommended when considering fit and internal gap.
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Kumbhare, Ruchita S., Rajlakshmi Banerjee, Rahul Tekale, Priti Jaiswal, Rohit Patil, and Abhishek Torane. "Clinical Outcomes of Implant-supported Fixed Dental Prosthesis for Full-mouth Rehabilitation Using Different Restorative Materials: A Systematic Review." Indian Journal of Dental Sciences 16, no. 1 (January 2024): 11–16. http://dx.doi.org/10.4103/ijds.ijds_111_23.
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Introduction: A fixed dental prosthesis supported by implants can be made from a variety of restorative materials for full-mouth rehabilitation. Since scientific study on the materials utilized has a variety of design features, evaluating the effects of various prosthetic materials on the oral environment is a challenge. Furthermore, the impact of prosthodontic material choice on the clinical outcome is still not entirely clear. The current systematic review’s goal was to examine how different restorative materials performed clinically in patients who were receiving fixed dental prosthesis (FDP) supported by implants. Materials and Methods: Using the developed search approach, a systematic electronic search was conducted. “Does the use of different restorative materials have any effect on the clinical outcomes of full-mouth rehabilitation with implant-supported fixed dental prosthesis?” was the main research question for this study, which was formulated using the Population, Intervention, Comparison and Outcome (PICO) framework. Results: Technical issues were far more common than biological ones, with “fracture of veneering material” and “fracture of framework” being the most frequent technical mishaps. The most common biological outcome was “marginal bone loss of 2 mm.” Conclusions: The clinical results of rehabilitation using implant-supported FDPs are significantly influenced by the prosthesis’s design and manufacturing process as well as the restorative material. To ascertain the use of innovative materials and specify their precise therapeutic indications with randomized clinical trials and extended follow-up, more comparative clinical investigations are needed.
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D’Amico, Cesare, Salvatore Bocchieri, Sergio Sambataro, Giovanni Surace, Chiara Stumpo, and Luca Fiorillo. "Occlusal Load Considerations in Implant-Supported Fixed Restorations." Prosthesis 2, no. 4 (October 1, 2020): 252–65. http://dx.doi.org/10.3390/prosthesis2040023.
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The advent of new technologies in the field of medicine and dentistry is creating improvements that lead clinicians to have materials and procedures able to improve patients’ quality of life. The aim of this article is to evaluate occlusion load and its consequences on fixed implant-supported prosthesis. New materials have granted clinicians the possibility achieve great aesthetic results in dental prosthesis, and new procedures allow them to standardize and give precise and repeatable results, especially for the functional and long-term stability aspects of products. Some principles should be carefully evaluated and applied to every dental prosthesis; the evaluation of the forces and fitting of meso-structures to dental implants, an aspect that is often not well considered by clinicians, is the main focus of this article.
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Trezubov, V. N., R. A. Rozov, M. L. Mishnev, and Yu V. Parshin. "Forming a Modern Therapeutic Resource for Geriatric Dentistry." Russian Journal of Geriatric Medicine, no. 3 (November 13, 2023): 157–67. http://dx.doi.org/10.37586/2686-8636-3-2023-157-167.
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Background. The special status and position of older and oldest old in the therapeutic, diagnostic, and preventive activities of a dentist lead to a firm conviction of an urgent necessity and expediency of creating a new medical specialization — geriatric dentistry.Aim. Based on many years of clinical experience and scientific research, including extensive use of high-tech oral prosthetics for older adults, to make the first attempt at creating an optimal therapeutic resource for a new medical specialization — geriatric dentistry.Materials and methods. Examination and prosthetics were performed on 645 patients aged 60 to 85 years old, with various types of implantable prostheses in the period o 3 to 7 years after their implantation. In addition, 903 implantable prostheses and 3287 of their artificial supports (implants) were also examined.Results. The mean age of patients who visited the orthopedic dentistry department for dental prosthetics was 64.72 ± 6.8 years old. As the main method of rehabilitation of older patients’ masticatory and speech apparatus, we have used implant-supported prosthesis with its digital transformation. Most of the patients underwent reasonably radical oral cavity preparation for prosthetics. The original state retention of the tissues of the implant bed ranged from 78.04 to 100%. At the same time, fixed structures of implantable prostheses were characterized by higher indicators. The preservation of the implants was from 96.8 to 100%, depending on the observation period.Conclusion. The high values of implant and prosthesis retention rates, good condition of the peri-implant mucous membrane and bone in remote periods after prosthetics, as well as a high level of patient satisfaction and significantly higher achieved level of their quality of life, along with high medical and economic efficiency of the method, allow us to consider it a promising standard of geriatric dentistry. Thus, a modern therapeutic, or rather, rehabilitation, resource for effective pre-prosthetic preparation and implant prosthesis has been developed and justified, which is the optimal approach in geriatric dentistry.
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Szmidt, Monika, Maciej Górski, Maja Bendyk-Szeffer, Anna Stogiera, and Jadwiga Buczkowska-Radlińska. "An Alternative Prosthodontic Management of Maxillary Dentoalveolar Defect in a Patient With Cleft Palate and Lip: Case Report." Cleft Palate-Craniofacial Journal 56, no. 9 (May 12, 2019): 1256–59. http://dx.doi.org/10.1177/1055665619844440.
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Cleft palate/lip is a frequently occurring congenital anomaly; one in every 800 births results in such a problem. Different treatment options are available for replacing missing soft and hard tissues, including removable dental prostheses, fixed dental prostheses (FDPs), and implant prostheses. In the literature, according to different authors, there are different option standard for prosthetic treatment of cleft palate/lip. Some authors report that removable prosthesis is the choice in such cases, some of them regard conventional tooth-supported FDPs as a standard of care. In this case report, the prosthetic treatment of congenital cleft palate/lip was described. Upon the choice of the patient and patient’s agreement, the direct construction Fibre-reinforced composite (FRC) adhesive bridge with pink composite gingival epithesis was performed.
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Hakan Tuna, S., Gurel Pekkan, and Bulent Buyukgural. "Rehabilitation of an Edentulous Cleft Lip and Palate Patient with a Soft Palate Defect Using a Bar-Retained, Implant-Supported Speech-Aid Prosthesis: A Clinical Report." Cleft Palate-Craniofacial Journal 46, no. 1 (January 2009): 97–102. http://dx.doi.org/10.1597/07-216.1.
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Prosthetic rehabilitation of an edentulous cleft lip and palate patient with a combined hard and soft palate defect is a great challenge, due to the lack of retention of the obturator prosthesis as a result of its weight and the inability to obtain a border seal. Dental implants improve the retention, stability, and occlusal function of prostheses when used in carefully selected cleft lip and palate cases. This clinical report presents an edentulous unilateral cleft lip and palate patient who has hard and soft palate defects and an atrophied maxilla, treated with an implant-supported speech-aid prosthesis.
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Zitzmann, N. U., C. P. Marinello, and P. Sendi. "A Cost-effectiveness Analysis of Implant Overdentures." Journal of Dental Research 85, no. 8 (August 2006): 717–21. http://dx.doi.org/10.1177/154405910608500806.
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Placement of dental implants may improve the retention and stability of complete dentures in edentulous patients. Treatment costs, however, substantially increase with implant treatment. We therefore performed a stochastic cost-effectiveness analysis, comparing implant-supported over-denture prostheses (4 implants), implant-retained overdentures (2 implants), and complete dentures, from the patient’s perspective in Switzerland, to assess whether implant treatment in the mandible represents value for money spent. Twenty patients were included in each treatment group and were followed up for three years. Health outcomes were expressed in Quality-adjusted Prosthesis Years, and dental health care costs and time costs were recorded in year 2000 Swiss Francs (CHF 100 = US$61). The cost per Quality-adjusted Prosthesis Year gained for implant treatment was CHF 9100 (2 implants) and CHF 19,800 (4 implants) over 3 years. Over a ten-year period, these threshold ratios were reduced to CHF 3800 (2 implants) and CHF 7100 (4 implants) per Quality-adjusted Prosthesis Year gained.
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García-Sala Bonmatí, Fernando, Naia Bustamante-Hernández, Jorge Alonso Pérez-Barquero, Jesús Maneiro-Lojo, Carla Fons-Badal, Carla Labaig-Caturla, Lucía Fernández-Estevan, and Rubén Agustín-Panadero. "Implant-Supported Fixed Partial Dentures with Posterior Cantilevers: In Vitro Study of Mechanical Behavior." Materials 16, no. 20 (October 22, 2023): 6805. http://dx.doi.org/10.3390/ma16206805.
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Rehabilitation with dental implants is not always possible due to the lack of bone quality or quantity, in many cases due to bone atrophy or the morbidity of regenerative treatments. We find ourselves in situations of performing dental prostheses with cantilevers in order to rehabilitate our patients, thus simplifying the treatment. The aim of this study was to analyze the mechanical behavior of four types of fixed partial dentures with posterior cantilevers on two dental implants (convergent collar and transmucosal internal connection) through an in vitro study (compressive loading and cyclic loading). This study comprised four groups (n = 76): in Group 1, the prosthesis was screwed directly to the implant platform (DS; n = 19); in Group 2, the prosthesis was screwed to the telescopic interface on the implant head (INS; n = 19); in Group 3, the prosthesis was cemented to the telescopic abutment (INC; n = 19); and in Group 4, the prosthesis was cemented to the abutment (DC; n = 19). The sets were subjected to a cyclic loading test (80 N load for 240,000 cycles) and compressive loading test (100 KN load at a displacement rate of 0.5 mm/min), applying the load until failure occurred to any of the components at the abutment–prosthesis–implant interface. Subsequently, an optical microscopy analysis was performed to obtain more data on what had occurred in each group. Results: Group 1 (direct screw-retained prosthesis, DS) obtained the highest mean strength value of 663.5 ± 196.0 N. The other three groups were very homogeneous: 428.4 ± 63.1 N for Group 2 (INS), 486.7 ± 67.8 N for Group 3 (INC), and 458.9 ± 38.9 N for Group 4 (DC). The mean strength was significantly dependent on the type of connection (p < 0.001), and this difference was similar for all of the test conditions (cyclic and compressive loading) (p = 0.689). Implant-borne prostheses with convergent collars and transmucosal internal connections with posterior cantilevers screwed directly to the implant connection are a good solution in cases where implant placement cannot avoid extensions.
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Vinnakota, Dileep Nag, V. Vijay Sankar, Naveen Chirumamilla, and V. Vamsikrishna Reddy. "Osseointegrated Silicone Finger Prosthesis using Dental Implants: A Renovated Technique." Journal of Contemporary Dental Practice 15, no. 6 (2014): 818–20. http://dx.doi.org/10.5005/jp-journals-10024-1624.
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ABSTRACT Aim and background In clinical practice, we come across patients with traumatically amputated or congenitally missing partial or complete fingers that can be restored using microsurgical replantation or transplantation procedures. However, in some cases this might not be possible due to systemic or local factors and the lost or missing part has to be replaced prosthetically to offer psychological and functional wellbeing. These prostheses can be constructed with various materials like acrylics or silicone retained with the help of auxiliary aids. However, these prostheses cause some hindrance in performing functions like writing, typing, etc. The aim of the present trial was to ameliorate the existing design of implant supported finger prosthesis. Technique Distal phalange of middle finger replaced with implant supported silicone finger prosthesis is modified by utilizing a metal framework to support silicone material to improve rigidity while working. Conclusion and clinical significance We could achieve a good function, esthetics and tactile sensibility with this modified design. Whenever, feasible this design can improve the performance and patients feel a deep sense of satisfaction and improved self-esteem with this modified prosthesis. How to cite this article Vinnakota DN, Sankar VV, Chirumamilla N, Reddy VV. Osseointegrated Silicone Finger Prosthesis using Dental Implants: A Renovated Technique. J Contemp Dent Pract 2014;15(6):818-820.
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Zavanelli, Adriana Cristina, José Vitor Quinelli Mazaro, Caroline Cantieri de Mello, Joel Ferreira Santiago, and Andressa Paschoal Amoroso. "An Esthetics Rehabilitation with Computer-aided Design/ Computer-aided Manufacturing Technology." Journal of Contemporary Dental Practice 15, no. 4 (2014): 506–12. http://dx.doi.org/10.5005/jp-journals-10024-1570.
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ABSTRACT Aim This paper describes a case of a rehabilitation involving Computer Aided Design/Computer Aided Manufacturing (CADCAM) system in implant supported and dental supported prostheses using zirconia as framework. Background The CAD-CAM technology has developed considerably over last few years, becoming a reality in dental practice. Among the widely used systems are the systems based on zirconia which demonstrate important physical and mechanical properties of high strength, adequate fracture toughness, biocompatibility and esthetics, and are indicated for unitary prosthetic restorations and posterior and anterior framework. Case description All the modeling was performed by using CAD-CAM system and prostheses were cemented using resin cement best suited for each situation. Conclusion The rehabilitation of the maxillary arch using zirconia framework demonstrated satisfactory esthetic and functional results after a 12-month control and revealed no biological and technical complications. Clinical significance This article shows the important of use technology CAD/CAM in the manufacture of dental prosthesis and implant-supported. How to cite this article Mazaro JVQ, Mello CC, Zavanelli AC, Santiago JF Jr, Amoroso AP, Pellizzer EP. An Esthetics Rehabilitation with Computer-aided Design/Computer-aided Manufacturing Technology. J Contemp Dent Pract 2014;15(4): 506-512.
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BORGES, Adriana Fonseca, Mariana Ribeiro de Moraes REGO, Alexandre Milton CORRÊA, Marcelo Ferreira TORRES, Daniel de Moraes TELLES, and Luiz Carlos SANTIAGO. "Planning and treatment in oral rehabilitation with implant-supported prostheses using cephalometric analysis." RGO - Revista Gaúcha de Odontologia 62, no. 2 (June 2014): 179–84. http://dx.doi.org/10.1590/1981-86372014000200000131886.
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There are growing prosthetic and esthetic demands for Oral Rehabilitations on osseointegratable implants, requiring precise prosthetic-surgical planning. In edentulous patients planning may be done using cephalometric analysis to determine the position of the teeth in the dental prosthesis, and consequently, those of the implants. In this clinical case, the planning and treatment of an oral implant-supported rehabilitation is described, using cephalometry to optimize prosthetic success and patient comfort. The patient presented complete mandibular and partial maxillary edentulism, with unsatisfactory esthetics and function of the anterior teeth, with accentuated vestibular inclination. In order to determine the correct position of maxillary teeth it was necessary to use a Steiner cephalometric tracing to position the maxillary central incisor in the diagnostic wax-up. Therefore, the maxillary anterior teeth were extracted, osseointegratable implants were placed (Neodent(r), Curitiba, Brazil), and an immediate temporary fixed denture was inserted. After 30 days, surgery was performed for the placement of 4 osseointegratable implants (Neodent(r), Curitiba, Brazil) in the inter-mentonian region, on which a complete, temporary, implant-supported denture was placed. After the period of osseointegration, the definitive implant-supported dental prosthesis were fabricated.
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Bilichodmath, Shivaprasad, and Nimmi Janardhanan. "Rehabilitation of Edentulous Mandible with Endosseous Implant Supported Fixed Prosthesis - A Case Report." Journal of Evolution of Medical and Dental Sciences 11, no. 4 (March 31, 2022): 528–32. http://dx.doi.org/10.14260/jemds/2022/106.
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Treatment of the edentulous dental arches with endosseous implant supported fixed prosthesis has gain popularity in dentistry. It has many advantages compared to a removable denture, including increased patient satisfaction, improved speech, aesthetics, function and confidence. Correct diagnosis and accurate implant planning lead to successful complete arch implant rehabilitation and hence, provide the patient with desirable aesthetic and functional outcomes. Edentulism can lead to complications in aesthetic, functional and psychological aspects of an individual. In earlier days, conventional complete denture prosthesis served as the sole line of treatment option for such cases. Nevertheless, most of the patients using conventional removable denture finds it difficult in adapting to their prosthesis due to psychological issues. Now a days, implant supported prosthesis give them an opportunity to lead a normal healthy life fulfilling their functional and aesthetic requirements.[1] One of the well documented treatment modalities in implant dentistry for patients with edentulous arches is the fixed implant rehabilitation with an implantsupported complete dental prosthesis. Beyond four decades of clinical experience emphasize the effectiveness of this technique.[2]
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Saeed, Mostafa, Mahmoud Mokhtar El-Far, and Amr Hosny Elkhadem. "Prosthetic Complications of Screw-Retained Restoration Using Multiunit Abutments Versus Intraoral Luting on Titanium Base in Implant-Supported Complete Overdentures Randomized Clinical Trial." Open Access Macedonian Journal of Medical Sciences 10, no. D (January 3, 2022): 14–27. http://dx.doi.org/10.3889/oamjms.2022.7662.
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BACKGROUND: This trial aims to study the difference between prostheses screwmented on full-arch implants using the intraoral luting cement technique on titanium bases versus transmucosal abutments in terms of prosthetic complications. MATERIALS AND METHODS: Twenty patients were recruited in this trial, there were mainly two groups. A screw-retained full-arch implant-supported prosthesis was constructed over four dental implants on upper or lower jaws. For the control group, multiunit abutments were used to construct a screw-retained prosthesis. As for the experimental group, Ti-base abutments were used over the dental implants to construct a screw-retained prosthesis. In both groups, the prosthetic framework was made using polyether ether ketone (PEEK) material and luted intraorally over the titanium sleeve using resin cement. A binary outcome of prosthetic complication was taken in 6 and 12 months. Abutment screw loosening, prosthetic screw loosening, prosthetic screw fracture, abutment screw fracture, veneer fracture, framework fracture, Ti-base decementation, and overall prosthetic loosening were the prosthetic complications included in the trial. RESULTS: At the end of the study, a total of 19 patients adhered to the trial. Throughout the exposure process of implants, two implants failed in one patient from the Ti-base group. This patient was excluded from the study on his request. There was no statistically significant difference present between Ti-base and multiunit abutment groups in terms of abutment and prosthetic screw loosening, abutment and prosthetic screw fracture, veneer and framework fracture, Ti-base decementation, and overall prosthesis loosening for 6 and 12 months. Data were explored for normality using Kolmogorov–Smirnov and Shapiro–Wilk tests, data showed non-parametric (not-normal) distribution. Qualitative data were presented as frequencies and percentages. Wilcoxon and Mann–Whitney tests were used to compare the qualitative outcomes in this study. CONCLUSION: Both multiunit and Ti-base are considered a viable line of treatment to construct a screw-retained full arch implant-supported prosthesis.
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Cardoso, Rafael Rezende, João Victor Ferreira Costa, Roberto Sales e. Pessoa, Sergio Luis Scombatti de Souza, Ariel Lenharo, Fabio Jose Barbosa Bezerra, and Guilherme Jose Pimentel Lopes de Oliveira. "The adjuvant effect of a mouthwash containing green tea and hyaluronic acid on the peri-implant parameters: a pilot short-term clinical evaluation." Journal of Multidisciplinary Dentistry 10, no. 3 (September 2, 2022): 10–5. http://dx.doi.org/10.46875/jmd.v10i3.518.
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The aim of this pilot study was to evaluate the adjuvant effect of a mouthwash containing green tea and hyaluronic acid on the peri-implant clinical parameters in full arch implant-supported fixed prosthesis users. Eleven patients with a total of 75 implants that supported 6 lower total fixed prostheses and 7 upper total fixed prostheses agreed to participate in this short-term pilot study. Patients were submitted to clinical analysis of the implants at baseline and 10 days after initial product use. The probing depth, level of the peri-implant mucosa, clinical attachment level, peri-implant mucosa inflammation index and visible plaque index in each of the 6 sites were evaluated. To perform these analyses all, the prostheses were unscrewed during both intervention points. In general, the newly-developed mouthwash was shown to be safe to use with no signs of negative side effects. Additionally, biofilm and inflammation index were both reduced, with changes in the peri-implant mucosa marginal level due to inflammation reduction. It can be concluded that the mouthwash containing green tea and hyaluronic acid successfully reduced biofilm accumulation and inflammation around dental implants in full arch implant-supported fixed prosthesis safely in a short-term evaluation period.
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Lozada, Jaime L., Aladdin J. Al-Ardah, Kitichai Rungcharassaeng, Joseph Y. K. Kan, and Alejandro Kleinman. "Immediate Functional Load of Mandibular Implant Overdentures: A Surgical and Prosthodontic Rationale of 2 Implant Modalities." Journal of Oral Implantology 30, no. 5 (October 1, 2004): 297–306. http://dx.doi.org/10.1563/0686.1.
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Abstract Classic guidelines in osseointegration for root-form dental implants include a long healing period, during which functional load should be avoided. However, the long healing period might impose an intolerable situation on some patients, especially in the completely edentulous situation. Subperiosteal dental implant guidelines demonstrate that the implant upon insertion can be put into immediate function and be restored with the final prosthesis soon after surgery. Studies on immediately functional loaded implant-supported prostheses in patients who are completely edentulous have been reported, exhibiting high success rates comparable with conventionally loaded implants. This article describes the surgical and prosthodontic procedure for the immediately functional loaded mandibular implant overdentures in 2 different dental implant modalities, as well as its clinical rationale.
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Gonzalez, Jorge. "The Evolution of Dental Materials for Hybrid Prosthesis." Open Dentistry Journal 8, no. 1 (May 16, 2014): 85–94. http://dx.doi.org/10.2174/1874210601408010085.
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Since the immemorial, the replacement of missing teeth has been a medical and cosmetic necessity for human kind. Nowadays, middle-aged population groups have experienced improved oral health, as compared to previous generations, and the percentage of edentulous adults can be expected to further decline. However, with the continued increase in the number of older adult population, it is anticipated that the need for some form of full-mouth restoration might increase from 53.8 million in 1991 to 61 million in 2020 [1]. Denture prosthetics has undergone many development stages since the first dentures were fabricated. The introduction of computer-aided design/computer aided manufacturing (CAD/CAM) has resulted in a more accurate manufacturing of prosthetic frameworks, greater accuracy of dental restorations, and in particular, implant supported prosthesis.
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Choi, Jae-Won, Jin-Ju Lee, Eun-Bin Bae, and Jung-Bo Huh. "Implant-supported fixed dental prosthesis with a microlocking implant prosthetic system: A clinical report." Journal of Prosthetic Dentistry 123, no. 1 (January 2020): 15–19. http://dx.doi.org/10.1016/j.prosdent.2018.11.021.
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Júnior, Jenival C. de Almeida, Emilli L. Neves, and Gustavo M. de Almeida. "Immediate Load in Units using the Indexed Prosthesis in the Sensitive System." International Journal of Advanced Engineering Research and Science 9, no. 12 (2022): 580–85. http://dx.doi.org/10.22161/ijaers.912.64.
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This clinical case report emphasizes the significant variations in implant placement systems, which denotes an emerging need for systems that minimize deviations in order to ensure implant placement at the intended bone level. The present work suggests a protocol for a simplified indexing technique using the Index Sensitive® technology (Conexão Sistema de Prothesis, São Paulo, Brazil), with the immediate placement of an implant-supported prosthesis with an indexed abutment in the implant, minimizing errors and distortions in the final result. of surgery arising from the process of making the surgical guide and the surgical procedure. The objective of this case report was to prove the efficiency of the Sleeve Index Sensitive® system in the manufacture of implant-supported prostheses in exoplan and dentalcad software prior to implant installation and to assess whether the transfer of the planning in the software to the patient's mouth is accurate. Alternative hypothesis that the Sleeve Index Sensitive® system is efficient in reproducing the indexed schedule and preserves the natural emergence profile. Patients were included with root fractures, and after previous analysis, it was proposed and the installation of dental implants of immediate loading in single units using the prosthesis indexed in the Sensitive® System. The data needed for indexing was imported into the Exoplan software, Exocad. Surgical planning was performed with the prosthetic component, Ti-Base S NP, virtually indexing the prosthesis, determining the positioning of the tooth to the implant, generating the surgical guide. The surgical guide has been incorporated into Sensitive® ferrules with a lock in a single position. Then it was exported in an STL file to be printed. The surgical plan was exported to manufacture the prosthesis. With the printed guide, milling was performed to install the Flash Vulcano implant with a diameter of 3.5 mm and height variation according to each case, distinctly.
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A. Emarah, Amr, and Wessam M. Dehis. "TRUENESS AND PRECISION OF DIFFERENT DIGITAL SCAN SYSTEMS IN A TWO IMPLANT COMPLETE ARCH MODEL: AN IN-VITRO STUDY." International Journal of Advanced Research 12, no. 06 (June 30, 2024): 604–13. http://dx.doi.org/10.21474/ijar01/18922.
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Background: One of the major concerns in implant-retained prostheses is their accuracy which plays an essential role in implant success and prosthesis adaptation. Although many contemplates stated the indications and merits of different digital scanner systems, little is identified about their trueness and precision in scanning dental implants of implant-retained prostheses. Objectives: This contemplate aimed to evaluate and compare the trueness and precision of two unalike most recent digital scan systems in a mandibular two-implant complete arch model. Materials and Methods: A completely edentulous mandibular cast was utilized into which two conventional dental implant analogs were drilled in its inter-foramina area from which the distance between the analogs was measured by a caliper (Control). The same space was assessed via scanning the whole assembly 13 scans/each digital scanner system. The final distance of each scan attained from both systems was then compared with the control. The accuracy of each system was assessed in terms of trueness and precision. Results: Slight advancement of the Dof Freedom X5 premium digital scanner system than the Medit T300-T500 dental digital scanner regarding trueness although they were still insignificantly different, as P=0.66. The Medit digital scanner system was significantly better than the Dof Freedom one concerning precision, as P=0.001. Conclusion: The two dental laboratory digital scanner systems employed are reliable tools for scanning and reproducing digital dental records accurately for an implant-supported prosthesis. Furthermore, the Medit dental digital scanner system seemed to be more accurate in terms of precision than the Dof Freedom one.
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Gomes, Laís Carolina Landim, Fernanda Zapater Pierre, João Paulo Mendes Tribst, Nathália de Carvalho Ramos, Eduardo Bresciani, Rodrigo Máximo de Araújo, Lafayette Nogueira Júnior, and Marco Antonio Bottino. "Occlusal Scheme Effect on the Biomechanical Response of Full-Arch Dental Prosthesis Supported by Titanium Implants: A Systematic Review." Metals 11, no. 10 (October 2, 2021): 1574. http://dx.doi.org/10.3390/met11101574.
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Dental implant-supported prosthesis are widely used in oral reconstruction of totally edentulous patients. Nonetheless, one of the most common failures in these cases is caused by overloading from improper occlusion. The aim of this work was to determine if the occlusal scheme influences the biomechanical response in implant-supported dental prostheses. Searches were conduct is several databases (PubMed/MEDLINE, The Cochrane Library, Web of Science, Scopus, LILACS, and Opengrey). We found 632 publications and 521 studies remained after removing duplicates. After applying the inclusion criteria, five studies were used in this systematic review: one clinical trial, one retrospective clinical trial, one in vitro and two in silico. The results show the lack of clinical and laboratory studies about occlusion in implant-supported prostheses. Although there are several studies regarding implant occlusion schemes, there remains a lack of scientific evidence to support that one specific occlusal scheme is superior to another, or to help define the ideal occlusal scheme that improves the clinical outcome. It can be concluded, however, that the proper distribution of loads and the absence of occlusal interferences can increase implant longevity. Thus, more clinical and laboratory studies must be carried out to obtain an occlusal scheme that favors the clinical success of implant rehabilitation.
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Todescan, Francisco Fernando, Marcos Masayuki Hayashi, Luiz Roberto Giugni, Marco Antonio Bottino, and João Paulo Mendes Tribst. "From Denture to the Final Implant-Supported Prosthesis Using a Full-Digital Protocol: A Dental Technique." Oral 1, no. 4 (December 1, 2021): 332–39. http://dx.doi.org/10.3390/oral1040033.
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Proper maxillomandibular relationship registration can be clinically challenging during a digital workflow in full-arch rehabilitations. This dental technique requires the manufacturing and use of a hybrid surgical guide custom scanning device, indicated to be used during implant placement surgery, in addition to being used to simultaneously register the maxillomandibular relationship and transfer the implants’ 3D positioning, ensuring a fully digital workflow in full-arch implant-supported prosthesis rehabilitation. The sequence of steps presented here will allow dentists and dental technicians to conduct rehabilitations from denture to the final implant-supported prosthesis using a full-digital protocol, using a minimal quantity of intraoral devices and digital tools.
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Demirekin, Zeynep Başağaoğlu, Yavuz Findik, S. Süha Turkaslan, Timuçin Baykul, and Merve Erken. "RETROSPECTIVE EVALUATION OF SUCCESS OF IMPLANT SUPPORTED PROSTHESIS: EARLY RESULTS." International Journal of Research -GRANTHAALAYAH 7, no. 12 (June 8, 2020): 189–98. http://dx.doi.org/10.29121/granthaalayah.v7.i12.2019.311.
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Introduction: The interpretation of clinical results of dental implant supported prosthesis treatment is very crucial to be able to make a comparison between different implant systems and treatment options and furthermore to benefit the experiences of the other clinicians. However, the clinical outcomes of these studies should be reported in an objective way and be independent from the system used and also be prepared in accordance with certain criteria and standards that have been accepted scientifically world-wide for being reliable and describing long-term results.
Aim: Three-hundred and eighty-two consecutive NTA implants were performed on ninety-nine patients. The implants used in 2016 and the constructed restorations were retrospectively analyzed. In addition, the effect of the experience of clinician was evaluated related with the success of the implant therapy.
Materials and Method: This retrospective study was conducted in the Department of Prosthodontics Süleyman Demirel University. Three-hundred and eighty-two consecutive NTA implants were performed on ninety-nine patients. The implants used in 2016 and the constructed restorations were retrospectively analyzed.
Results: The implants were followed for at least 2 years. In total, 239 implants were inserted. It was found in 143 mandibles. Prosthetic restorations were determined to be partial prosthetics (219), single crown (81) and overdenture prosthetics (64). During the evaluation period, 6 implants failed before prosthetic treatment, ten decementations, six retentive screw loosening and five porcelain chipping were detected.
Discussion and Conclusions: The early results of our study are consistent with the results of other studies. However, long-term follow-up is required for more accurate assessments.