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Satwalekar, Parth, Tanushree Satwalekar, Vasanthi Bondugula, B. Bhuvaneshwari, KV Harshavardhan, and Kiran Pasula. "Creating Esthetic Harmony with Nonloading, Fixed Provisional Restoration using Extracted Teeth after Immediate Implant Placement." Journal of Contemporary Dental Practice 17, no. 4 (2016): 344–46. http://dx.doi.org/10.5005/jp-journals-10024-1852.
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ABSTRACT Aim To make use of fiber-reinforced composite and the patient's own extracted teeth in fabricating a provisional restoration following immediate implant placement. Background Fiber-reinforced composites offer various possibilities in temporization of osseointegrating implants in the esthetic zone. Technique In this chairside technique, the patient's own extracted teeth with fiber-reinforced composite were used to fabricate a provisional restoration after immediate implant placement. Conclusion A putty index was made before extracting the teeth and placing the implants as planned. The index and crowns of the extracted teeth were used to make a nonloading, esthetic, chairside provisional restoration after immediate implant placement. Clinical significance By using the patient's own teeth for provisionalization immediately after implant placement, acceptance is greatly enhanced. How to cite this article Satwalekar P, Satwalekar T, Bondugula V, Bhuvaneshwari B, Harshavardhan KV, Pasula K. Creating Esthetic Harmony with Nonloading, Fixed Provisional Restoration using Extracted Teeth after Immediate Implant Placement. J Contemp Dent Pract 2016;17(4):344-346.
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Horwitz, Jacob, Eli E. Machtei, Shai Frankental, Eran Gabay, Yaniv Mayer, Livia Joseph, and Omer Cohen. "Clinical and Patient-Related Outcomes of a Tapered Implant System With Switched Platform Conical Abutments: A Private Practice Field Trial." Journal of Oral Implantology 44, no. 5 (October 1, 2018): 326–29. http://dx.doi.org/10.1563/aaid-joi-d-18-00005.
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The aim of this prospective cohort observational field trial was to examine 1-year survival and success rates of a recently introduced tapered implant system with switched platform conical abutments and to evaluate patient related outcomes of therapy. Partially edentulous patients aged between 18 and 75 years, with available bone height for dental implants ≥10 mm desiring to restore the missing tooth/teeth with implant supported restoration, were recruited by 7 periodontists in their respective private practices. Dental implants were installed according to standard implant therapy protocol. Three to 6 months postoperatively, after evaluating interim implant success, implants were restored by the referring dentists. Patient, Ramfjord teeth, and implant data, including baseline and 1-year postoperative, were collected. A total of 60 patients were recruited and received 117 implants. Complete 1-year clinical and radiographic data were available for 83 and 65 implants, respectively. Two implants failed during the first year, resulting in a 1-year survival rate of 98.3%. Mean implant probing pocket depth was 2.29 ± 0.84 mm. Mean radiographic bone distance from implant's shoulder at the mesial and distal sites at 1 year was 0.66 ± 0.5 and 0.79 ± 0.64mm, respectively, resulting in a success rate of 95.4%. Patient subjective evaluation of therapy exhibited a median pain experience of 1 and median esthetics, function, and general satisfaction evaluation of 10 on a scale of 1 to 10. The tapered conical connection dental implant system, used in private dental practices, shows good 1-year survival and success rates that are similar to other implant systems on the market.
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Singh, Ajit. "DENTAL IMPLANT DESIGN- AN INSIGHT OVERVIEW." Journal of Medical pharmaceutical and allied sciences 10, no. 4 (August 15, 2021): 3101–5. http://dx.doi.org/10.22270/jmpas.v10i4.1254.
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Dental implants are a proven therapeutic option for replacing missing teeth, with positive long-term health outcomes. Dental implant performance is largely determined by the implant’s primary durability, which is affected by surgical procedure, bone quality and quantity, implant surface characteristics, implant geometry, and implant surface characteristics. The implant’s geometry and surface can be modified. The implant geometry and surface can be changed if needed to achieve good primary stability and long-term implant therapy effectiveness. Implant architecture refers to the implant’s three-dimensional structure, as well as all of the components and elements that make it up. Different surface topographies can affect a sequence of coordinated actions such cell proliferation, osteoblast transformation, and the production of bone tissue. At the macro, micro, and increasingly nano sizes, surface topography of implants may be detected. The surgical location of end osseous oral implants is influenced by the prosthetic architecture, as well as the shape and quality of the alveolar bone. There are several alternatives for replacing missing teeth, but within the past few decades, dental implants have been one of the most common biomaterials for replacing one (or more) missing teeth. In a substantial number of patients, titanium dental implants have been shown to be secure and reliable. This study examines the most important historical information of dental implants, as well as the various vital factors that will ensure successful Osseo-integration and a safe prosthesis anchorage. Not only
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Chaichanasiri, E., P. Nanakorn, W. Tharanon, and J. Vander Sloten. "A Finite Element Study of the Effect of Contact Forces Between an Implant-Retained Crown and its Adjacent Teeth on Bone Stresses." Journal of Mechanics 25, no. 4 (December 2009): 441–50. http://dx.doi.org/10.1017/s1727719100002926.
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ABSTRACTMost of finite element (FE) models used to study single tooth dental implants consider only an isolated implant. It is of course more realistic to model also the adjacent teeth of the implant. However, including the adjacent teeth significantly increases the complexity of the model and necessitates the complex contact analysis. The main difference between the FE models with and without the adjacent teeth is that the model without the adjacent teeth cannot capture the effect of the contact forces that are transferred between the implant-retained crown and the adjacent teeth. In this study, the hypothesis that the contact forces are not important is verified by the FE contact analysis. Realistic 3D FE models of a mandible and a single tooth implant with and without adjacent teeth are constructed and analyzed. It is found from the results that the difference between the maximum bone stresses of the two models is very small when various loading directions are considered. The obtained results, therefore, indicate that the effect of contact forces between a dental implant and its adjacent teeth is not significant. Consequently, the adjacent teeth can be excluded from FE models if various loading directions are considered.
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Nirola, Ashutosh, and Shallu Bhardwat. "Immediate Implant Placement: Success or Failure?" Dental Journal of Advance Studies 01, no. 01 (April 2013): 046–48. http://dx.doi.org/10.1055/s-0038-1670594.
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AbstractEdentulism is most often the result of repeated tooth extraction from combined pathological process and/or dental trauma. Dental implants have emerged to be a highly successful and predictable treatment modality for replacement of missing teeth. Dental implants are the devices that are surgically inserted into the jaw bone to support a single prosthetic tooth and serve as abutments or as cosmetic replacements for missing teeth. Timing of implant placement following tooth removal may be important and this concept has challenged the original treatment protocol. This article aims to present two case reports of immediate placement of implant.
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Borgonovo, Andrea Enrico, Rachele Censi, Virna Vavassori, Mauro Savio, and Dino Re. "A Possible Relationship between Peri-Implantitis, Titanium Hypersensitivity, and External Tooth Resorption: Metal-Free Alternative to Titanium Implants." Case Reports in Dentistry 2021 (January 22, 2021): 1–8. http://dx.doi.org/10.1155/2021/8879988.
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Titanium dental implant surface does not remain unaltered but may corrode and release ions or particles which trigger soft and hard tissue damage. Titanium may induce clinically relevant hypersensitivity in patients chronically exposed. A 56-year-old female patient presented peri-implantitis around a single titanium implant positioned three years earlier. Despite nonsurgical therapy, a rapid bone loss associated with pain and swelling occurred, and adjacent teeth presented external resorption. Compromised teeth were removed, and three titanium implants were inserted. Six months later, the patient complained about high mucosa sensitivity and implant exposure. At clinical and radiographic examinations, tissue inflammation and vertical bone loss involved the new implants and the process of external resorption affected the teeth. The blood test confirmed titanium hypersensitivity. Titanium implants were removed, and 5 zirconia implants were placed. No sign of bone loss or tooth resorption was recorded at clinical and radiographic control during 18 months of follow-up.
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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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Stefanelli, Luigi V., George A. Mandelaris, Alessio Franchina, Nicola Pranno, Michele Pagliarulo, Francesca Cera, Fabio Maltese, Francesca De Angelis, and Stefano Di Carlo. "Accuracy of Dynamic Navigation System Workflow for Implant Supported Full Arch Prosthesis: A Case Series." International Journal of Environmental Research and Public Health 17, no. 14 (July 13, 2020): 5038. http://dx.doi.org/10.3390/ijerph17145038.
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A minimally invasive implant treatment approach for future full arch implant prosthetic rehabilitations of trophic jaws represents a challenge. An optimal implant planning is strongly related with an accurate merge of the prosthetic information and the radiographic data. To comply with that, most computer aided implantology (CAI) systems require additional steps, as radiographic stents or fiducial markers to overlap digital jaw scans to cone beam computed tomography (CBCT) data. Using dynamic CAI, residual teeth (up to three) make it possible for the merge to avoid new radiographic scans. An additional challenge is the treatment involving immediate implants compared with delayed implants placed into healed bone. As for other static CAI systems, the operator’s experience and the quality of the CBCT data make the planning affordable and secure the entire implants placement procedure. The literature reports accuracies in terms of comparison between placed implants and planned implants, following a double CBCT approach, based on radiographic volume overlapping. Thirteen consecutive future totally edentulous patients (77 implants), divided into two groups (group A: 3–4 teeth traced; group B: 5–6 teeth traced) requiring a full arch implant prosthetic rehabilitation were included in the reported case series. A dynamic CAI was used to plan and to place all implants following all the recommended digital steps. The software used provided a tool (Trace and Place) that made the merge between X-ray views of the residual teeth and their own positions possible. This method definitely registered that teeth positions comply with the required accuracy live check. After implants placement, a post-operative CBCT was taken in order to evaluate the deviations of the achieved implants at coronal, apical, and depth level as well as angular deviations. Statistically significant radiological mean difference between the two groups was found in the coronal position of implants (0.26 mm, p < 0.001), in the apical position of implants (0.29 mm, p < 0.001), in the depth of implants (0.16 mm, p = 0.022), and in the angular deviation (0.7, p = 0.004). The use of the TaP technology for the treatment of the patients with at least three stable teeth that need to be removed for a totally implant prosthetic treatment is a promising technique. The performed accuracy analysis demonstrated that this digital protocol can be used without a loss of accuracy of the achieved implants compared to planned ones.
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Scarano, Antonio, Bartolomeo Assenza, Francesco Inchingolo, Filiberto Mastrangelo, and Felice Lorusso. "New Implant Design with Midcrestal and Apical Wing Thread for Increased Implant Stability in Single Postextraction Maxillary Implant." Case Reports in Dentistry 2019 (September 5, 2019): 1–4. http://dx.doi.org/10.1155/2019/9529248.
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Background. The immediate placement of a dental implant could represent an option treatment for the rehabilitation of a postextractive missing tooth socket to replace compromised or untreatable teeth, with the advantage of single-session surgery. In this way, the anatomy of the alveolar bone defect, the preservation of the buccal cortical bone, and the primary stability of the fixture represent the critical factors that consent a precise implant placement. Objective. This case report describes a novel fixture design for postextractive alveolar socket immediate implant. Methods. Two patients (25 and 31 years old) were treated for postextractive dental implant placement to replace both central upper incisor teeth with four implants. The residual bone implant gap was not filled with graft or bone substitute. The restoration was provided following a standard loading protocol by a cement-sealed prosthetic abutment. Results. Clinically, all implants positioned showed an excellent insertion torque. No postoperative complications were reported. At 6 months of healing, the buccal cortical bone and the implant stability were present and well maintained. Conclusion. The evidence of this study allows us to underline the possible advantages of this new fixture design for postextractive implant technique.
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Hoffmann, Oliver, and Gregory-George Zafiropoulos. "Tooth-Implant Connection: A Review." Journal of Oral Implantology 38, no. 2 (April 1, 2012): 194–200. http://dx.doi.org/10.1563/aaid-joi-d-10-00071.
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The aim of this review was to assess the long-term outcomes of restorations supported by implants and natural teeth with regard to complications associated with implants, teeth, and restorations, as well as the influence on these parameters of the connector type used. A net-based search in PubMed was combined with a manual search. Clinical studies, reviews, and biomechanical studies were included. Information on survival rate, complication rate, incidence of tooth intrusion, and, where applicable, type of connector used, was retrieved from the clinical studies. Force distribution and types of connectors used were retrieved from the biomechanical study. A summary of outcomes was retrieved from the reviews. A total of 25 articles were selected for inclusion in this review, including clinical studies (15), biomechanical studies (7), and reviews (3). Implant success rates ranged from 79.5%–100%. Tooth complications occurred in 5.4%–11.8% of cases. Complications in the suprastructure were observed in 5%–90% of cases. Tooth intrusion presented in a total of 0%–66% of all cases, more often in cases with nonrigid connection (0%–66%) than in cases with rigid connection (0%–44%). Biomechanical studies show a large difference in stress distribution and in dependence on the type of connector used, with most studies demonstrating that nonrigid connectors drastically reduce stress on the suprastructure while increasing forces on supporting teeth and implants. Long-term success rates for tooth-implant connections are lower than for solely implant-supported restorations with regard to prognosis for teeth, implants, and suprastructure. Use of rigid connectors leads to more favorable clinical outcomes in terms of long-term stability, occurrence of complications, and tooth intrusion.
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Sanda, Minoru, Tatsuya Fujimori, Makoto Shiota, and Shohei Kasugai. "Ten Years Follow-Up of Sputtered Hydroxyapatite Coated Implant in Single or Two Missing Teeth Replacement." POJ Dental and Oral Care 1, no. 1 (August 9, 2017): 1–5. http://dx.doi.org/10.32648/2578-8817/1/1/003.
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Sputtered hydroxyapatite coated implant has investigated as an implant with novel surface coating for dental implant. The aim of this study was to evaluate the 10 years clinical outcome regarding marginal bone loss around implants, success rate, survival rate, biological and prosthetic complication and patients subjective satisfaction for the implant with sputtered hydroxyapatite coating in human. Sixteen patients with 30 implants were employed for this study. One-piece, sputtered hydroxyapatite coated implants were placed in premolar and/or molar sites with one or two missing tooth. Ten years after implant placement, the marginal bone level change was evaluated by periapical radiograph. Incidence of peri-implant diseases and prosthetic complications were also addressed. Patient satisfaction was analyzed by Oral Health Impact Profile questionnaire. The mean marginal bone loss was 0.74 ± 1.41 mm. Survival and success rates were 96.7% and 86.7% respectively. Three implants (10.0%) in 3 patients (18.8%) were affected by peri-implantitis. Five implants (16.7%) in 4 patients (25%) had chipping of veneering material on prosthesis. One implant (3.3%) in a patient (6.3%) was fractured and removed. Mean score of Oral Health Impact Profile was 41.6 ranged from 3 to 89. Sputtered hydroxyapatite surface showed comparable marginal bone stability in 10 years result. Keywords: Clinical evaluation, Dental implants, Hydroxyapatite, Implant surfaces, Crestal bone loss, Long-term results.
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Alberga, Jamie M., Anke Korfage, Ilse Bonnema, Max J. H. Witjes, Arjan Vissink, and Gerry M. Raghoebar. "Mandibular dental implant placement immediately after teeth removal in head and neck cancer patients." Supportive Care in Cancer 28, no. 12 (April 11, 2020): 5911–18. http://dx.doi.org/10.1007/s00520-020-05431-y.
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Abstract Background Little is known about immediate implant placement in head and neck cancer patients. We studied implant survival and functional outcomes of overdentures fabricated on implants placed immediately after removal of the lower dentition during ablative surgery or preceding primary radiotherapy (RT). Methods Inclusion criteria were primary head and neck cancer, dentate lower jaw, and indication for removal of remaining teeth. Two implants to support a mandibular overdenture were placed immediately after extraction of the dentition during ablative surgery, or prior to starting primary radiotherapy. Standardized questionnaires and clinical assessments were conducted (median follow-up 18.5 months, IQR 13.3). Results Fifty-eight implants were placed in 29 patients. Four implants were lost (implant survival rate 93.1%). In 9 patients, no functional overdenture could be made. All patients were satisfied with their dentures. Conclusions Combining dental implant placement with removal of remaining teeth preceding head neck oncology treatment results in a favorable treatment outcome.
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Rasinski, Artur, Grzegorz Klekot, and Piotr Skopiński. "Application of Vibroacoustic Diagnosis in Assessing Bridges Connecting Teeth and Implants to Treat Tooth Absence in Sea Vessel Crews." Polish Maritime Research 27, no. 1 (March 1, 2020): 188–94. http://dx.doi.org/10.2478/pomr-2020-0020.
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AbstractImplant treatment is a proven method in dentistry for partial and complete missing teeth reconstruction. In some clinical situations it is advisable to limit the number of implants, which can be obtained by making a bridge connecting the patient’s own tooth with the implant. So far, the possibility of using safe and permanent connections of natural teeth with implants has been examined to a small extent due to the dangers resulting from the different mobility of dental implants and teeth.An attempt was made to use vibro-acoustic techniques to evaluate various combinations of teeth and implants. Pilot studies were carried out on cadavers-pig mandibles with implants. There were recorded sounds in the immediate vicinity of the mandible formed in response to impulse excitations carried out with a point hit against a tooth or implant before and after their joining with a bridge. The comparison of spectra allows to see features indicating a high probability of being able to distinguish between the examined configurations.The results of the research should contribute to a better understanding of the mutual relations between the dental implant and the tooth, which are included in bridge. In the perspective, it will enable to assess the level of safety and to identify clinical situations that allow to obtain dental bridges based on teeth and implants.
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Rungsiyakull, Pimduen, Kallaya Kujarearntaworn, Pathawee Khongkhunthian, Michael Swain, and Chaiy Rungsiyakull. "Effect of the Location of Dental Mini-Implants on Strain Distribution under Mandibular Kennedy Class I Implant-Retained Removable Partial Dentures." International Journal of Dentistry 2021 (May 4, 2021): 1–7. http://dx.doi.org/10.1155/2021/6688521.
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Purpose. To investigate the effect of minidental implant location on strain distributions transmitted to tooth abutments and dental minidental implants under mandibular distal extension removable partial denture. Materials and Methods. A mandibular Kennedy Class I distal extension model missing teeth 35–37 and 45–47 was constructed. Six dental mini-implants were placed at positions A, B, and C, where position A was 6.5 mm distal to the abutment teeth with 5 mm between each position. Fourteen uniaxial strain gauges were bonded on the model at the region of dental mini-implant and abutment (first premolar). Four groups were designated according to the location of the mini-implants. A load of 150 N and 200 N was applied using an Instron testing machine. Loadings consisted of bilateral and unilateral loading. Comparisons of the mean microstrains among all strain gauges in all situations were analyzed. Results. Variation in mini-implant locations induced local strains in different areas. Strains at the tooth abutment were significantly decreased in the group in which implants were placed mesially. Strains around the mini-implants showed different patterns when loaded with different loading conditions. The group in which implants were placed distally showed the lowest strains compared to other groups. Conclusion. Mesially placed mini-implants showed the lowest strain around abutment teeth, while a distally-placed mini-implants presented the lowest strain around mini-implants themselves. Under favorable biting force, mini-implant is an option to assist mandibular distal extension removable partial denture. Mesially placed mini-implants are recommended when the abutment has periodontally compromised conditions and a distally placed mini-implant when periodontal conditions are stable.
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Koray, M., I. Ozcan, B. Alkan, O. Kesmez, and H. Tanyeri. "Immediate Implant Placement: Report of Case Series." Balkan Journal of Dental Medicine 19, no. 2 (July 1, 2015): 113–15. http://dx.doi.org/10.1515/bjdm-2015-0044.
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SUMMARYObjective: The aim of this study was to evaluate the outcome of immediate postextraction implant placement. Immediate placement of dental implants have been claimed of the potential advantages such as reductions in the number of surgical interventions, a shorter treatment time, an ideal 3-dimensional implant positioning, the presumptive preservation of alveolar bone at the site of the tooth extraction and soft tissue aesthetics.Method: In this case series we reported to extract 15 teeth in 12 patients (8 males; 4 females, mean age: 46.08 years) and replace the teeth with implants immediately.Results: There were no signs of inflammation or infection and none of the patients had complaints subsequently. All implants were osseointegrated at the time of abutment connection. Postoperative healing was uneventful in all of the patients. No complications were observed.Conclusion: Within the limits of the present study, immediate implant placement was a predictable treatment.
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Narayanan, Venkatesan, Prabhu Karuppiah, Arunkumar Rajasekar, and Lakshmi D. Mayavan. "Awareness among Patients regarding Dental Implants as a Treatment Option for replacing Missing Teeth in Melmaruvathur Population." International Journal of Prosthodontics and Restorative Dentistry 6, no. 1 (2016): 6–9. http://dx.doi.org/10.5005/jp-journals-10019-1144.
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ABSTRACT Background Treatment with dental implants has become increasingly important in the range of prosthodontic treatment. Significant improvements in oral rehabilitation particularly in edentulous individuals have been seen. In Adhiparasakthi Dental College, Melmaruvathur, a survey was made to evaluate awareness among patients for dental implants, their level of knowledge, and attitude toward replacement of missing teeth by dental implants. Materials and methods A survey of 480 people was conducted through a printed questionnaire and completed by willing respondents. The questionnaires were prepared in English and Tamil language to enable better understanding and completion. Results Of the 510 people surveyed, 480 responses were retrieved, of which 331 were aware of dental implant treatment in Melmaruvathur, Tamil Nadu. Among them, 304 respondents were aware that implants could be used for replacement of missing teeth. Most of the respondents stated that dental implants were placed in the jawbone, followed by gums. Only 41% respondents assumed that implants last for a lifetime and only 35% of respondents believe that poor oral hygiene was the most common cause of implant failure. Conclusion More dental education programs are needed to improve understanding of the importance of restoration of missing teeth. General implant awareness levels are satisfactory. However, increased awareness of patients for restoration of missing tooth with dental implants is necessary. Dental education programs with special emphasis on advantages, treatment, maintenance, and postoperative care of dental implant therapy are needed. More than two-thirds of the surveyed population is interested in knowing about and being treated with dental implants. How to cite this article Narayanan V, Karuppiah P, Rajasekar A, Mayavan LD. Awareness among Patients regarding Dental Implants as a Treatment Option for replacing Missing Teeth in Melmaruvathur Population. Int J Prosthodont Restor Dent 2016;6(1):6-9.
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Kumar, Manish, Gayithri H. Kulkarni, Prashant Jadhav, Kiran Kulkarni, Sachin V. Shinde, and Yojana B. Patil. "Assessment of Myeloperoxidase and Nitric Levels around Dental Implants and Natural Teeth as a Marker of Inflammation: A Comparative Study." Journal of Contemporary Dental Practice 17, no. 11 (2016): 934–38. http://dx.doi.org/10.5005/jp-journals-10024-1957.
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ABSTRACT Introduction Dental implants form the mainstay of dental treatment involving rehabilitation of missing teeth. One of the major concerns for the clinicians doing dental implants is the postsurgical failure of dental implants. Success of dental implants is dependent upon the skills of the surgeon and the amount and quality of the bone remaining at the edentulous area where dental implant has to be placed. Myeloperoxidase (MPO) and nitrites are few of the enzymes and molecules which are said to be altered in inflammation. However, their exact role in the inflammatory processes around natural tooth and dental implant is still unclear. Hence we comparatively evaluated the levels of MPO and nitrites in the areas around the dental implants and natural teeth. Materials and methods The present study comprises 42 patients who underwent prosthetic rehabilitation by dental implants from 2011 to 2014. Depth of probing value (DP), score of plaque index (SPI), gingival index (GI), and index of gingival bleeding time (GBT) were evaluated for the assessment of the periimplant soft tissue changes. Assessment of inflammation around the dental implant surface and around natural tooth was done based on the readings of these parameters. For the measurement of the MPO levels, spectrophotometric MPO assay was used. All the results were analyzed by Statistical Package for the Social Sciences (SPSS) software. Results The mean plaque index values were 1.56 and 0.97 in periodontitis cases of natural teeth and inflamed cases of dental implants respectively. While comparing mean plaque index, mean probing depth, and mean gingival bleeding index in between the two groups, significant difference was obtained. Mean MPO concentration in periodontitis and gingivitis cases in natural teeth were 0.683 and 0.875 U/μL, while in inflamed dental implant cases, the mean value was 0.622 U/μL. While comparing the total MPO levels, total nitrite levels, and total nitrite concentration in between two study groups, significant difference was obtained. On comparing the healthy and periodontitis cases in natural teeth, significant difference was obtained. Conclusion In the inflammatory processes occurring around dental implant and natural teeth, MPO and NO make some amount of significant contribution. Clinical significance The present study enforces on the role of MPO and nitrite as diagnostic and prognostic marker. How to cite this article Kulkarni GH, Jadhav P, Kulkarni K, Shinde SV, Patil YB, Kumar M. Assessment of Myeloperoxidase and Nitric Levels around Dental Implants and Natural Teeth as a Marker of Inflammation: A Comparative Study. J Contemp Dent Pract 2016;17(11):934-938.
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Karki, S., D. Thapa, and N. Pandey. "Gingival Reshaping Using Provisional Restoration in a Maxillary Anterior Implant - A Case Report." Journal of Nepalese Prosthodontic Society 3, no. 2 (July 1, 2020): 131–36. http://dx.doi.org/10.3126/jnprossoc.v3i2.36391.
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Oral implants are regarded as one of the most successful and reliable treatment options for replacing missing tooth/teeth. Various studies have reported that it can be used to meet the functional as well as esthetic demands of missing teeth. The most common indication of oral implants is the replacement of single or multiple teeth to support the denture. While replacing teeth in the esthetic zone, then consideration should be towards creating the right emergence profile. So, replacing a tooth with the implant-supported prosthesis in the anterior region is more challenging as compared to the posterior. With clinical examination, radiographic investigation, and treatment planning good results can be achieved. This case report highlights the placement of a single-tooth dental implant in the anterior region where the emergence profile was created with gingival moulding similar to that of adjacent gingiva using provisionalization.
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Vieira, Andreia Espindola, Camilla Christian Gomes Moura, Maria Aparecida de Souza, Darceny Zanetta-Barbosa, and Paula Dechichi. "Would Nitric Oxide be an Effective Marker for Earlier Stages of Peri-Implant Disease? An Analysis in Human Peri-Implant Sulcular Fluid." Journal of Oral Implantology 39, no. 1 (February 1, 2013): 37–43. http://dx.doi.org/10.1563/aaid-joi-d-11-00158.
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Nitric oxide has an important effect on host immune response. However, little has been studied in relation to its potential as a possible diagnostic tool in peri-implant disease. The present study analyzed nitrite levels in the peri-implant sulcular fluid (PISF) of implants with mucositis and the correlation of these nitrite levels with clinical parameters using a simplified fluid collection methodology. Twenty-five partially edentulous patients showing peri-implant mucositis were evaluated, and the peri-implant status was determined based on current clinical parameters: probing depth (PD) and bleeding on probing (BOP). The sulcular fluid (SF) around teeth (control) and implants were collected, and the nitrite levels were evaluated using the Griess method. The mean probing depth (mm) was significantly higher (P < .0001) in implants (2.852 ± 0.6484) than in control teeth (1.585 ± 0.3636). The mean total nitrite level (μM) was statistically higher (P = .0069) in implants with mucositis (14.34 ± 11.83) than in control teeth (9.316 ± 5.534). No correlation was observed between the total nitrite levels and the PD mean in the control group (P = .2558, r = −0.2361) or in the implant group (P = .1160, r = −0.3224), as well as the number of faces showing bleeding on probing (P = .8747, r = 0.0332). These results demonstrated that the nitrite levels were higher in inflamed areas. According to the methodology applied and results obtained, the higher nitrite levels in inflamed areas suggest that, in the future, nitrite could be used as a marker of peri-implant mucositis associated with clinical data to monitor the cure or evolution of the disease.
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Gulati, Minkle, Vivek Govila, Vishal Anand, and Bhargavi Anand. "Implant Maintenance: A Clinical Update." International Scholarly Research Notices 2014 (July 9, 2014): 1–8. http://dx.doi.org/10.1155/2014/908534.
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Introduction. The differences in the supporting structure of the implant make them more susceptible to inflammation and bone loss when plaque accumulates as compared to the teeth. Therefore, a comprehensive maintenance protocol should be followed to ensure the longevity of the implant. Material and Method. A research to provide scientific evidence supporting the feasibility of various implant care methods was carried out using various online resources to retrieve relevant studies published since 1985. Results. The electronic search yielded 708 titles, out of which a total of 42 articles were considered appropriate and finally included for the preparation of this review article. Discussion. A typical maintenance visit for patients with dental implants should last 1 hour and should be scheduled every 3 months to evaluate any changes in their oral and general history. It is essential to have a proper instrument selection to prevent damage to the implant surface and trauma to the peri-implant tissues. Conclusion. As the number of patients opting for dental implants is increasing, it becomes increasingly essential to know the differences between natural teeth and implant care and accept the challenges of maintaining these restorations.
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Brinkmann, Jorge Cortés-Bretón, Marina Lobato-Peña, Fabián Pérez-González, Pedro Molinero-Mourelle, Luis Sánchez-Labrador, Juan Santos-Marino, Juan López-Quiles, and Jose María Martínez-González. "Placing Dental Implants through Impacted Teeth to Support a Fixed Partial Denture in a Geriatric Patient as an Alternative to Invasive Extraction Surgeries." European Journal of Dentistry 14, no. 04 (September 9, 2020): 697–701. http://dx.doi.org/10.1055/s-0040-1716318.
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AbstractMultiple dental impactions not associated with craniofacial syndromes are a rare condition and present the dentist with a therapeutic challenge when it comes to performing surgical/restorative treatments in adult patients. This case report describes a geriatric patient with multiple impacted teeth restored by means of two different protocols. In the second quadrant, an impacted tooth was extracted followed by regeneration and placement of an implant. In the third quadrant, implants were placed though impacted teeth for restoration with a fixed partial prosthesis. Placing dental implants through impacted teeth may offer a possible therapeutic option for implant-supported restorations in middle-aged or elderly patients, for whom surgery and orthodontic traction are not possible, and/or patients who refuse to undergo more invasive extraction surgery.
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Zhao, Rigetu, Yu Miao, Hui Yang, Yunzhi Yu, Huan Huo, and Kai Kang. "Clinical Efficacy of Mixing Natural Teeth and Implant Supported Denture Sleeve." Journal of Advances in Medicine Science 3, no. 1 (March 30, 2020): 11. http://dx.doi.org/10.30564/jams.v3i1.1403.
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Objective: To analyze the clinical efficacy of Mixing natural teeth and implant supported denture sleeve, and provide reference for clinical treatment. Methods: 46 patients with Molarless in hospital from December 2010 - December 2014 were selected, patients were randomly divided into observer group and control group, two groups of patients were designed and planted natural teeth fixed bridge and natural teeth and implants mixed support sleeve denture, regular follow patients and the surrounding alveolar bone height changes, 5-year cumulative retention rate, clinical efficiency and other indicators. Results: During clinical observation, patients with no obvious symptoms, the use of feel good, no loose superstructure situation. Two groups of patients were 2 cases of patients with implant loosening occurs, the amount of bone resorption annual observation group (0.22 ± 0.10) mm less than the control group (0.24 ± 0.08) mm, but no significant difference (P> 0.05), clinical observation group efficiency (100%) was significantly higher (72.3%) (P <0.05), the observation group study implants 5-year cumulative retention rate was 94.4%. Conclusion: Mixing natural teeth and implant - supported telescopic denture success rate of 100% was observed during the clinical results were satisfactory, with use value.
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Ravneet Sandhu and Gurnoor Kaur Pannu. "Implant Failures in Dentistry: A Review." International Healthcare Research Journal 2, no. 4 (July 10, 2018): 78–81. http://dx.doi.org/10.26440/ihrj/02_04/179.
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Implants have given dentistry a face-lift over the past few decades and the success rates of implants are high. Dental implants are the closest analogue to healthy, natural teeth. They give one the privilege to confidently perform the daily activities and enjoy them, relish the food, laugh and smile with the loved ones without worrying about teeth.(1) Implant placement is a very technique sensitive procedure requiring thorough knowledge as well as an adept implantologist. Despite reliably high success rates, failure of implants can occur neccessitating their immediate removal. Failure can be attributed to numerous causes-failure to osseointegrate being the more common one. The aim of this review is to highlight the major etiology for failure of implants.
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Garg, Amit, IN Aparna, B. Dhanasekar, and Neha Mall. "Occlusion in Implant Dentistry-Issues and Considerations." Journal of Oral Health and Community Dentistry 6, no. 2 (2012): 91–96. http://dx.doi.org/10.5005/johcd-6-2-91.
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ABSTRACT The goal of any prosthetic procedure must include the establishment of a functional occlusion. It is known that natural teeth have periodontal ligament receptors that protect the teeth from excessive occlusal forces, which can cause trauma to supporting tissues and bone. Although many factors are involved in the neuro-muscular reex actions in natural teeth, there are no specic defense mechanisms against occlusal forces in implant-supported prosthesis. Complications (prosthetic or bony support) reported in follow-up studies underline occlusion as one of the determining factors for success or failure of implants.
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Bhoosreddy, Ajay R., Seema Bhoosreddy, and Vinayak Umesh Shirsekar. "Implant Imaging." Journal of Contemporary Dentistry 3, no. 3 (2013): 127–32. http://dx.doi.org/10.5005/jp-journals-10031-1051.
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ABSTRACT Implants improve the quality of life for patients who are unable to keep their natural teeth, fix acute problems, and give patients the benefit of restorative improvements for a modern lifestyle. The greatest key to successful implant placement is accurate preplacement assessment. Imaging plays a pivotal role in preplacement assessment. Success of dental implant restorations is in part, dependent on adequate diagnostic information about the bony structures of the oral region. This article reviews the applications of different imaging technologies and their diagnostic contribution to presurgical evaluation, treatment planning and postoperative assessment of dental implants. How to cite this article Bhoosreddy AR, Bhoosreddy S, Shirsekar VU. Implant Imaging. J Contemp Dent 2013;3(3): 127-132.
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Machmud, Edy, and Maqhfirah Amiruddin. "Single Implant Restoration and Adhesive Bridge for Anterior teeth (A Case Report)." Journal of Case Reports in Dental Medicine 1, no. 2 (May 1, 2019): 49. http://dx.doi.org/10.20956/jcrdm.v1i2.92.
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Objective : The aim of this case report restore healthy tooth function so that patients can chew food properly, so the method of implant placement is a good choice for patients with tooth loss. The adhesive bridge denture treatment aims to restore a missing tooth. The indication of adhesive bridge denture treatment is a mild contact of occlusion, young patients and good oral hygiene.Methods : On first visit doing filling status and patient signed an informed consent and making study casts, then proceed with making a surgical templete. After that, a ct-scan was performed to determine the size of the implant that matches the size of the available bone. The second visit, carried out the edentulous 36 implantation process using implants measuring 3.7mm in diameter and 12 mm in length with the EZ Dent-I IDI brand. Third visit, tooth color selection wih shade guide, and preparation of the palatal part of abutment teeth 12 and 21 was made for bridge adhesive in edentulous teeth 11. Two months later, double impression was performed for the manufacture of supra structural teeth .Results : The advantage of dental implants is that they closely resemble natural teeth because they are embedded in the tissue so they can support aesthetics, protection of adjacent teeth and the development of self-confidence. Bone density obtained from Ct-Scan radiographic greatly determines this treatment choice, the higher the bone density, the better the prognosis produced.Conclusion : The use of dentures with implant support for posterior mandibular teeth and adhesive bridge dentures for maxillary anterior teeth provides satisfaction for patients because it can overcome aesthetic problems and improve good phonetic and masticatory functions.Keywords: Adhesif Bridge, Bone Density, Ct-Scan, Dental Implant.
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de Oliveira, Janaina Cordeiro, Mariane Beatriz Sordi, Ariadne Cristiane Cabral da Cruz, Raquel Virgínia Zanetti, Ederson Aureo Golçalves Betiol, Sérgio Roberto Vieira, and Artêmio Luiz Zanetti. "Number of dental abutments influencing the biomechanical behavior of tooth‒implant-supported fixed partial dentures: A finite element analysis." Journal of Dental Research, Dental Clinics, Dental Prospects 14, no. 4 (December 7, 2020): 228–34. http://dx.doi.org/10.34172/joddd.2020.047.
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Background. Local or systemic issues might prevent installing a sufficient number of dental implants for fixed prosthetic rehabilitation. Splinting dental implants and natural teeth in fixed dentures could overcome such limitations. Therefore, this study aimed to evaluate the influence of the number of dental abutments in the biomechanics of tooth‒implant-supported fixed partial dentures (FPDs). The null hypothesis was that increasing the number of abutment teeth would not decrease the stress over the abutments and surrounding bone. Methods. Left mandibular lateral incisor, canine, premolars, and molars were reconstructed through computed tomography and edited using image processing software to represent a cemented fixed metal‒ceramic partial denture. Three models were set to reduce the number of abutment teeth: 1) lateral incisor, canine, and first premolar; 2) canine and first premolar; 3) the first premolar. The second premolar and first molar were set as pontics, and the second molar was set as an implant abutment in all the models. Finite element analyses were performed under physiologic masticatory forces with axial and oblique loading vectors. Results. After simulation of axial loads, the stress peaks on the bone around the implant, the bone around the first premolar, and prosthetic structures did not exhibit significant changes when the number of abutment teeth decreased. However, under oblique loads, decreasing the number of abutment teeth increased stress peaks on the surrounding bone and denture. Conclusion. Increasing the number of dental abutments in tooth‒implant-supported cemented FPD models decreased stresses on its constituents, favoring the prosthetic biomechanics.
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Harutyunyan, Argine, and Argirios Pissiotis. "Biomechanical Outcomes of Tooth-Implant-Supported Fixed Partial Prostheses (FPPs) in Periodontally Healthy Patients using Root Shape Dental Implants." Balkan Journal of Dental Medicine 21, no. 1 (March 1, 2017): 1–11. http://dx.doi.org/10.1515/bjdm-2017-0001.
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SummaryBackground: Connecting an osseointegrated implant and a natural tooth is a treatment alternative for partially edentulous patients in some clinical situations. The main issue of a connected tooth-implant system is derived from the dissimilar mobility patterns of the osseointegrated fixtures and natural abutments causing potential biomechanical problems within the entire system. Purpose: The aim of this review was to multilaterally analyze and discuss the main biomechanical factors that may question the reliability of splinted tooth-implant system and the long-term success of fixed partial prostheses (FPPs) supported by both teeth and implants with an emphasis on the disparity of mobility of these two different abutments.Material and methods: An electronic MEDLINE (PubMed) search supplemented by manual searching was performed to retrieve relevant articles. An assessment of the identified studies was performed, the most valuable articles were selected and biomechanical outcomes of tooth-implant splinting system were analyzed.Results: 3D FEM stress analyses and photoelastic studies show uneven load distribution between the tooth and the implant and stress concentration in the crestal bone around the implant neck when connected to a natural tooth by FPPs. However, clinical studies demonstrate good results for both the implants and FPPs supported by splinted implant-to-tooth abutments.Conclusion: Connecting implants to natural teeth is not a preferable treatment option because of possible inherent biomechanical complications. Whenever possible, this treatment option should be avoided.
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Van Steenberghe, D., I. Naert, R. Jacobs, and M. Quirynen. "Influence of Inflammatory Reactions Vs. Occlusal Loading On Peri-Implant Marginal Bone Level." Advances in Dental Research 13, no. 1 (June 1999): 130–35. http://dx.doi.org/10.1177/08959374990130010201.
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Plaque accumulation on abutments or implant surfaces induces an inflammatory reaction in the gingiva/alveolar mucosa just as around teeth. The longevity of oral implants can be jeopardized by either peri-implantitis and/or an occlusal overload. In the partially edentulous patient in whom pockets around teeth act as a reservoir for the colonization of the pockets around implants, the risk for inflammatory reactions of the peri-implant soft tissues seems especially more plausible than in the fully edentulous patient. This is especially true for implants with a very rough surface (e.g., plasma-sprayed), because of the positive relationship between surface roughness and supra- as well as subgingival plaque formation. Several medium-term (from 5 to 10 years) clinical studies support this hypothesis, through the observation of ongoing bone loss and subsequent decreasing success/survival percentages. Occlusal overload increases the risk for microfractures at the implant-bone interface in two-stage implants, which can result in significant marginal bone loss and even failure. There is ample evidence that occlusal factors are related to marginal angular defects around two-stage implants.
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Di Murro, Bianca, Luigi Canullo, Giorgio Pompa, Carlo Di Murro, and Piero Papi. "Prevalence and treatment of retrograde peri-implantitis: a retrospective cohort study covering a 20-year period." Clinical Oral Investigations 25, no. 7 (January 14, 2021): 4553–61. http://dx.doi.org/10.1007/s00784-020-03769-5.
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Abstract Objectives The aims of this retrospective study were to report data on the prevalence of retrograde peri-implantitis (RPI) in a single-center in a 20-year observation period and to evaluate implant survival after surgical treatment. Materials and methods A retrospective cohort study was conducted screening all patients who underwent implant treatment in a private practice. Patients were enrolled if they had one or more implants showing a radiolucency around the implant apex, without implant mobility. Furthermore, clinical symptoms of RPI and days from symptoms’ appearance after implant placement were also collected, as well as periodontal and endodontic status of nearby teeth. All patients were treated with the same surgical approach: antibiotic therapy, mechanical curettage, chemical decontamination and xenograft application. Results Out of the 1749 implants placed, only 6 implants were classified as affected by RPI, with a prevalence of 0.34%. Clinical symptoms of RPI (pain, swelling, dull percussion or fistula presence) varied among patients and were reported after a mean period of 51.83 ± 52.43 days. Conclusions RPI was successfully treated with surgical curettage and bone substitute application and all implants are still in place after a mean follow-up of 8.83 ± 5.34 years. Clinical relevance Bacteria from teeth with failed endodontic treatment or residual lesions might be reactivated by drilling for implant osteotomy, with subsequent colonization of the implant apex and possible failure before prosthetic loading. Therefore, it might be recommended to take a periapical x-ray at implant placement and after 6–8 weeks in order to intercept RPI before prostheses delivery.
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Budhiraja, Dimple, Lalita Sheoran, Sonali Sharma, Asusa Cicilia Loli, Chander Udhey, and Monika Sehrawat. "A literature review on immediate implant placement." IP Annals of Prosthodontics and Restorative Dentistry 7, no. 2 (June 15, 2021): 68–71. http://dx.doi.org/10.18231/j.aprd.2021.014.
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In todays time implants are becoming the most promisable treatment modality in the replacement of missing tooth or teeth in the oral cavity. With the evolvement of newer techniques and better implant biomaterials, Implants become the prime most treatment option in day to day life. With the evolvement of new techniques, placement of implant in the fresh site of the extraction give different number of advantages that were significant to the patient as well as to the clinician. There are lot of evidence confirms that immediate implant placement provides excellent and good predictable results.
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Attia, Sameh, Ella Schaper, Heidrun Schaaf, Jörn Pons-Kühnemann, Maximiliane Amelie Schlenz, Philipp Streckbein, Sebastian Böttger, Hans-Peter Howaldt, and Jan-Falco Wilbrand. "Evaluation of Implant Success in Patients with Dental Aplasia." BioMed Research International 2019 (June 19, 2019): 1–8. http://dx.doi.org/10.1155/2019/1680158.
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Introduction. Dental aplasia is an anomaly in which the number of teeth is reduced. It is the most commonly occurring dental anomaly during tooth development. Treatment management of patients with dental aplasia is challenging.Objectives.The aim of this retrospective clinical study was to analyze the survival and success rates of dental implants placed in hypodontic patients, rated with different criteria.Methods.Forty-three patients were diagnosed with dental aplasia and treated with dental implants between November 2000 and February 2016. The variables assessed included the plaque level, bleeding on probing, probing depth, implant mobility, implant stability, and implant loss. To analyze the peri-implant bone level, a panoramic X-ray of each patient was taken. The results were compared with X-rays taken immediately after implantation.Results. Thirty-seven patients (16 males; 21 females) participated in this study. In total, 155 implants (86 maxillary; 69 mandibular) were inserted. Two of the 155 implants failed; thein situsurvival rate was 98.7%. The success rate according to the criteria of Buser et al. was 96.8%, and that according to the criteria of Albrektsson et al. was 88.4%.Conclusion.The survival and success rates of dental implants in patients with congenitally absent teeth were very high and did not differ significantly from results achieved in an unaffected population. Dental implants are a reliable therapy for patients with dental aplasia.
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Amelia, Jane. "Rehabilitation single tooth loss with screw retained implant crown: Case report." SONDE (Sound of Dentistry) 6, no. 1 (March 31, 2021): 1–8. http://dx.doi.org/10.28932/sod.v6i1.3489.
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Tooth loss is a common problem in adults. the negative effects of tooth loss are decreased chewing and speech function, reduced aesthetics, and migration of adjacent teeth. Many types of dental prosthetics can be used to prevent these negative effects, such as removable partial dentures, adhesive resin dentures, fixed partial dentures, and dental implants each prosthesis had its advantages and disadvantages. In this case report the clinician will discuss about single tooth implants. The aim of this case report is to provide information about the procedure for placement single tooth implants to the posterior mandibular teeth using the screw retained implant technique.
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Scala, Rudy, Paolo Ghensi, Alessandro Cucchi, and Enrico Pistoia. "Postextraction Implant Placement with Immediate Provisionalisation and Finalisation, Using a Simplified Technique: Technical Notes and a Case Report." Open Dentistry Journal 6, no. 1 (October 5, 2012): 164–69. http://dx.doi.org/10.2174/1874210601206010164.
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Trauma of maxillary teeth is a common accident. In most cases, the result is a root or crown fracture requiring tooth extraction and implant placement. Immediate postextraction implants are considered an effective option for restoring missing teeth in order to achieve successful aesthetic and functional outcomes. The aim of this article is to describe a clinical case in which a fractured maxillary canine was replaced by an osseointegrated implant using a simplified technique in a patient who was a smoker and presented poor oral hygiene. The technique adopted permits a reduction of the number of implant components and consequently a lower cost of treatment, while at the same time maintaining acceptable aesthetic and functional outcomes.
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Goto, Takaharu, Nobuaki Higaki, Takahiro Kishimoto, Yoritoki Tomotake, and Tetsuo Ichikawa. "Does Periodontal Tactile Input Uniquely Increase Cerebral Blood Flow in the Prefrontal Cortex?" Brain Sciences 10, no. 8 (July 26, 2020): 482. http://dx.doi.org/10.3390/brainsci10080482.
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We previously studied the effect of peripheral sensory information from sensory periodontal ligament receptors on prefrontal cortex (PFC) activity. In the dental field, an alternative dental implant without periodontal sensation can be applied for missing teeth. In this study, we examine whether periodontal tactile input could increase cerebral blood flow (CBF) in the PFC against elderly patients with dental implants lacking periodontal tactile (implant group), elderly individuals with natural teeth (elderly group), and young individuals with natural teeth (young group). The experimental task of maintaining occlusal force as closed-loop stimulation was performed. Compared with the young group, the elderly group showed significantly lower CBF. Contrastingly, compared with the young group, the implant group showed significantly lower CBF. There were no significant differences between the elderly and implant groups. Regarding the mean occlusal force value, compared with the young group and the elderly group, the implant group had a numerically, but not significantly, larger occlusal force exceeding the directed range. In conclusion, the periodontal tactile input does not uniquely increase PFC activity. However, increased CBF in the PFC due to the periodontal tactile input in the posterior region requires existing attention behavior function in the PFC.
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Sehgal, Manoti, Lovleen Puri, Sapna Yadav, Puja Malhotra, Sumit Singh Phukela, Bhupender Yadav, and Bharti Raina. "Immediate Dental Implants Enriched with L-PRF in the Esthetic Zone." Case Reports in Dentistry 2018 (December 3, 2018): 1–6. http://dx.doi.org/10.1155/2018/9867402.
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The aim of this article is to present the clinical application of immediate implant placement with L-PRF and immediate prosthetic loading in anterior esthetic region. A 24-year-old healthy female patient reported with a chief complaint of poor esthetics in the upper front tooth region with retained deciduous teeth. On oral examination, there were retained deciduous teeth (52, 53, and 63) with congenitally missing permanent successors. The retained deciduous teeth were extracted, and immediate implant placement was done in the extraction sockets along with L-PRF membranes in one surgical session under local anesthesia. Immediate temporization was performed with composite crowns on immediately placed dental implants. After 3 months of the healing period, the final implant-level impressions were made and the temporary composite crowns were replaced with the final zirconia porcelain crowns. A 12-month follow-up was made, and satisfactory esthetic and functional results were obtained.
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Park, Sunho, Hyeran Kim, Kyoung Soon Choi, Min-Kyung Ji, Sujin Kim, Yonghyun Gwon, Chan Park, Jangho Kim, and Hyun-Pil Lim. "Graphene–Chitosan Hybrid Dental Implants with Enhanced Antibacterial and Cell-Proliferation Properties." Applied Sciences 10, no. 14 (July 16, 2020): 4888. http://dx.doi.org/10.3390/app10144888.
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Dental implants are widely used tooth replacement tools owing to their good oral rehabilitation and reconstruction capacities. Since dental implants are designed as a replacement for natural teeth, multi-functional abilities are desired to achieve successful implant treatment with improved osseointegration through promotion of mammalian cell activity and prevention of bacterial cell activity. In this study, we developed a graphene–chitosan hybrid dental implant (GC hybrid implant) using various concentrations of graphene, which demonstrated the different surface properties including increased wettability and roughness. Importantly, the GC hybrid implant under the optimal condition (i.e., 1% GC hybrid implant) could significantly promote osteoblast proliferation while reducing biofilm formation and bacterial activity. Our study demonstrates the potential of using this GC hybrid implant as a new type of dental implant, which can offer an effective design for the fabrication of advanced dental implants.
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Alissa, Rami, and Richard J. Oliver. "Influence of Prognostic Risk Indicators on Osseointegrated Dental Implant Failure: A Matched Case-Control Analysis." Journal of Oral Implantology 38, no. 1 (February 1, 2012): 51–61. http://dx.doi.org/10.1563/aaid-joi-d-10-00086.
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Dental implant treatment is an important therapeutic modality with documented long-term success for replacement of missing teeth. However, dental implants can be susceptible to disease conditions or healing complications that may lead to implant loss. This case-control study identified several risk indicators associated with failure such as smoking and alcohol consumption. The use of postoperative antibiotics or wide-diameter implants may significantly reduce implant failure. Knowledge of patient-related risk factors may assist the clinician in proper case selection and treatment planning.
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Inoue, Takashi. "The development of an artificial protein for periodontal application." Impact 2018, no. 3 (June 15, 2018): 79–81. http://dx.doi.org/10.21820/23987073.2018.3.79.
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Most artificial implants in medicine are purely mechanical. They do not harness the natural biology, merely co-exist alongside it. This is no different in dentistry where false teeth tend not to interact with the biology of the mouth. Inoue and his team are developing bio-hybrid dental implants that are capable integrating themselves into the jawbone. The new implant will be more stable and long-lasting as well as being able to replicate the function and feel of natural teeth. They also have the crucial ability of being able to adapt to the restructuring in the jawbone that occurs as children age. Children's adult teeth must be able to move as the jawbone grows and adapt to new positions. Inoue summarises the issues surrounding dental implants: 'At present, dental implants are connected directly to the alveolar bone, with no mediation by periodontal tissues. It must be remembered, however, that these tissues play an important role not only in tooth support, but also in maintaining various physiological functions, including sensation and the tooth movement that usually accompanies bone remodelling.' The implant designed by Inoue and his team is based on a standard titanium core, but is enhanced in several different ways. The implant is coated in hydroxyapatite (HA), a mineral found in high concentrations in dentin and that is known to help stimulate bone growth. This basic implant is transplanted with a mixture of periodontal tissue extracted from another tooth. Together, HA and the periodontal tissue work together to promote true ossointegraton and the creation of a bio-hybrid implant. In experiments with young mice, the implant has been shown to integrate fully in the jaw and move as and when necessary during development, just like a normal tooth. In addition to these benefits, the novel hybrid actually maintains the ability of the tooth to sense noxious stimuli – something no current implant can do.
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AL Quran, Firas A. M., Bashar A. Rashan, and Ziad N. AL-Dwairi. "Management of Dental Implant Fractures. A Case History." Journal of Oral Implantology 35, no. 4 (August 1, 2009): 210–14. http://dx.doi.org/10.1563/1548-1336-35.4.210.
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Abstract The widespread use of endosseous osseointegrated implants to replace missing natural teeth increases the chances of implant complications and failures, despite the high initial success rate reported in the literature. Implant fracture is one possible complication that results in ultimate failure of the dental implant. Such a complication poses a management crisis even for the most experienced clinician. This article reports on a case of implant fracture, its possible causes, and how the case was managed.
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Stamenkovic, Dragoslav. "The biomechanics of dental implants and dentures." Srpski arhiv za celokupno lekarstvo 136, Suppl. 2 (2008): 73–83. http://dx.doi.org/10.2298/sarh08s2073s.
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INTRODUCTION. Osseointegrated implants are actually replacements for natural teeth, and, like natural teeth, they are exposed to various forces. Rejection and bad osseointegration of implants rarely occur today because oral implants are made from biocompatible materials. Most complications are a consequence of badly planned implant loading. OBJECTIVE. The aim of this work was the optimization of the process of planning and inserting oral implants and dentures based on the analysis of the biomechanical problems in implantology. METHOD. In order to determine the influence of the number of cantilevered superstructures, the number of implants and implant microdesign on tensions within the implant and in the peri-implant tissue, a calculation of tensions and deformations was made in a virtual model (control model) using the finite elements analysis. The obtained values served as reference values in the analysis of the results from three experimental models. RESULTS. In the control model, as well as in the experimental models, the first implant bears the heaviest load with dominant contraction tensions, the second one carries significantly weaker straining tensions, the third one carries weak contraction tensions and the fourth one the weakest straining tensions. The values of tensions and deformations have the same sign (-/+), but the absolute values depend on the number of cantilevered superstructures, implant microdesign and the number of inserted implants. CONCLUSION. Knowing the biomechanics of oral implants and the dentures on them allows for proper indication, a good choice of implants and good superstructure design. The prevention measures for bone resorption caused by biomechanical factors are: insertion of symmetrical screw implants and root-shaped cylindrical implants as long and as wide as possible, insertion of implants with the total supporting area expanded, choosing materials that are rigid enough, the right direction of implants, narrowing of the denture occlusal surfaces and location of the contact point at the centre.
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Zafiropoulos, Gregory-George, Jochen Rebbe, Ulrich Thielen, Giorgio Deli, Christian Beaumont, and Oliver Hoffmann. "Zirconia Removable Telescopic Dentures Retained on Teeth or Implants for Maxilla Rehabilitation. Three-Year Observation of Three Cases." Journal of Oral Implantology 36, no. 6 (December 1, 2010): 455–65. http://dx.doi.org/10.1563/aaid-joi-d-09-00065.
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Abstract This report addresses maxillary restoration with removable telescopic crown-retained palatal free dentures. One patient with 7 natural teeth (PERIO), a second patient with 6 dental implants (IMPL), and a third patient with 2 natural teeth and 4 dental implants (IMPL-PERIO) were treated. Zirconia copings for natural teeth and individual zirconia implant abutments were fabricated in CAD/CAM and used as primary crowns. Electroformed gold copings were used as secondary telescopes. All maxilla supraconstructions were fabricated with zirconia and CAD/CAM. Patients were monitored during a 3-year period; all teeth and implants survived, and no biological or mechanical complications occurred. The peri-implant and periodontal conditions were healthy. While recognizing the limitations of this report, results showed that fabricating removable zirconia structures by means of CAD/CAM can yield highly functional and esthetic results. Galvanoforming technology is the preferable means of fabricating secondary crowns. The combination of these techniques and materials results in a prosthetic reconstruction of high quality, good fit, and biocompatibility. Long-term studies of large populations are necessary to investigate the clinical properties of the material utilized in this type of construction.
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Menini, Maria, Francesca Delucchi, Francesco Bagnasco, Francesco Pera, Nicolò Di Tullio, and Paolo Pesce. "Analysis of the Subgingival Microbiota in Implant-Supported Full-Arch Rehabilitations." Dentistry Journal 8, no. 3 (September 5, 2020): 104. http://dx.doi.org/10.3390/dj8030104.
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Background: The etiology of peri-implantitis is multifactorial, and it is not directly linked to the quantitative amount of plaque. The aim of this study was to evaluate the influence of subgingival microbiota around implants supporting full-arch restorations on clinical indexes of peri-implant health. Method: 47 patients (54 full-arch fixed rehabilitations) were included. Based on the highest value of probing depth (PD), 47 implants (in the test arch), 40 natural teeth and 7 implants (in the antagonist arch) were selected for microbiological sampling (traditional PCR and real-time PCR). Periodontal indexes (plaque index, PlI; probing depth, PD; bleeding on probing, BOP; peri-implant suppuration, PS) and marginal bone loss were also recorded. Results: Despite abundant plaque accumulation, the peri-implant parameters were within normal limits. No statistical difference was found in the microbial population around the test implants and antagonist natural teeth. Treponema denticola was present in a significantly higher amount around implants with increased PlI. Implants with increased BOP showed a significant increase in Treponema denticola and Tannerella forsythia. A significantly higher presence of Porphyromonas gingivalis, Treponema denticola and Tannerella forsythia was identified around the implants affected by peri-implantitis and in smokers. Conclusions: Peri-implantitis is characterized by a complex and polymicrobial disease, that might be influenced by the qualitative profile of plaque. Smoking might also favor implant biological complications in full-arch fixed prosthesis.
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Elani, H. W., J. R. Starr, J. D. Da Silva, and G. O. Gallucci. "Trends in Dental Implant Use in the U.S., 1999–2016, and Projections to 2026." Journal of Dental Research 97, no. 13 (August 3, 2018): 1424–30. http://dx.doi.org/10.1177/0022034518792567.
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Dental implants have become an increasingly popular treatment choice for replacing missing teeth. Yet, little is known about the prevalence and sociodemographic distribution of dental implant use in the United States. To address this knowledge gap, we analyzed data from 7 National Health and Nutrition Examination Surveys from 1999 to 2016. We estimated dental implant prevalence among adults missing any teeth for each survey period overall as stratified by sociodemographic characteristics. We calculated absolute and relative differences from 1999–2000 to 2015–2016 and fit logistic regression models to estimate changes over time. We also used multivariable logistic regression to estimate independent associations of sociodemographic covariates with the presence of any implant. We projected the proportion of patients treated with dental implants into the year 2026 under varying assumptions of how the temporal trend would continue. There has been a large increase in the prevalence of dental implants, from 0.7% in 1999 to 2000 to 5.7% in 2015 to 2016. The largest absolute increase in prevalence (12.9%) was among individuals 65 to 74 y old, whereas the largest relative increase was ~1,000% among those 55 to 64 y old. There was an average covariate-adjusted increase in dental implant prevalence of 14% per year (95% CI, 11% to 18%). Having private insurance (vs. none or public insurance) or more than a high school education (vs. high school or less) was each associated with a 2-fold increase in prevalence, with an almost 13-fold (95% CI, 8 to21) increase for older adults. Dental implant prevalence projected to 2026 ranged from 5.7% in the most conservative scenario to 23% in the least. This study demonstrates that dental implant prevalence among US adults with missing teeth has substantially increased since 1999. Yet access overall is still very low, and prevalence was consistently higher among more advantaged groups.
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Sathyaprasad, Savitha, SH Krishnamoorthy, Anjana, Vijayanath, and Vinisha Vinod. "Contemporary approach for space maintainers- A case report." International Journal of Dentistry Research 6, no. 1 (May 15, 2021): 1–3. http://dx.doi.org/10.31254/dentistry.2021.6101.
Full textAbstract:
Mini implants have seen an evolutionary change in the phase of implant placement. The most common use for mini implant is the stabilization of over denture and orthodontic treatments, now they are used in pediatric dentistry for congenitally missing teeth and tooth loss due to trauma. Mini implants as a prosthetic replacement gives a psychological advantage to the child as it provides a feeling of his own teeth. A thirteen year old boy came to the department of pedodontics, KVG dental college, Sullia, with a chief complaint of spacing in the lower front tooth region since 4 years. On radiographic examination absence of 41, 31 were found. On model analysis, space deficiency was found in relation to the lower anterior and he was diagnosed with angle’s class I malocclusion with proclined maxxilary anterior teeth and congenitally missing lower central incisors. The patient’s main concern was on esthetics. Hence the patient was planned for a fixed provisional functional space maintainer using mini implant followed by crown prosthesis. The approach comes up with positive aesthetic and functional results that may reflect on self-esteem and social well-being of children and adolescents.
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de Avila, Érica Dorigatti, Rafael Scaf de Molon, Luiz Antônio Borelli de Barros-Filho, Marcelo Ferrarezi de Andrade, Francisco de Assis Mollo, and Luiz Antônio Borelli de Barros. "Correction of Malpositioned Implants through Periodontal Surgery and Prosthetic Rehabilitation Using Angled Abutment." Case Reports in Dentistry 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/702630.
Full textAbstract:
When dental implants are malpositioned in relation to the adjacent teeth and alveolar bone or in an excessive buccal or lingual position, the final prosthesis rehabilitation impairs the peri-implant health of the gingival tissues and the aesthetics of the patient. Thus, the purpose of this case was to report and discuss a multidisciplinary protocol for the treatment of a compromised maxillary tooth in a patient with an abscess in his right central incisor due to an excessive buccal implant position. The patient presented with an implant-supported provisional restoration on his right maxillary central incisor and a traumatic injury in his left central incisor. The treatment protocol consisted in (i) abutment substitution to compensate the incorrect angulation of the implant, (ii) clinical crown lengthening, (iii) atraumatic extraction of the left central incisor, and (iv) immediate implant placement. Finally, (v) a custom abutment was fabricated to obtain a harmonious gingival contour around the prosthetic crown. In conclusion, when implants are incorrectly positioned in relation to the adjacent teeth, associated with soft-tissue defects, the challenge to create a harmonious mucogingival contours may be achieved with an interdisciplinary approach and with the placement of an appropriate custom abutment.
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Sisli, Selen Nihal, and Zafer Ozgur Pektas. "What Is the Role of Endodontic Predisposing Factors in Early Implant Failure?" Journal of Oral Implantology 46, no. 5 (April 21, 2020): 491–95. http://dx.doi.org/10.1563/aaid-joi-d-19-00141.
Full textAbstract:
We aimed to investigate a possible relationship between early implant failure (EIF) and an adjacent root canal–treated tooth and/or tooth with a periapical lesion (PL), considering the duration between implantation and root canal treatment (RCT). The importance of prior RCT and/or presence of a PL before implantation was also investigated. A total of 810 implants from 342 patients were included and scored according to the implant failure before abutment connection, adjacent root canal treated teeth, adjacent teeth without RCT, no adjacent teeth, adjacent teeth with PL, extraction of teeth with PL, and/or RCT before implantation. The durations between the extraction and implantation and between RCT and implantation adjacent to the root canal–treated teeth were recorded. The time from the RCT of adjacent teeth to implant placement was categorized into 5 groups: less than 4 weeks before implantation, 4–12 weeks before implantation, at least 12 weeks before implantation, within 4 weeks after implantation, and at least 4 weeks after implantation. Among the endodontic predictors, a prior PL on the tooth extracted was associated with an increased risk of EIF (P < .05, odds ratio: 4.37; 95% confidence interval: 1.604–11.891). Furthermore, EIF was more likely to occur when the RCT of an adjacent tooth was performed within 4 weeks of implantation (P < .05). Additional investigations with larger sample sizes are necessary to validate our findings.
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Baseri, Milad, Faraz Radmand, Reyhaneh Hamedi, Mehdi Yousefi, and Hossein Samadi Kafil. "Immunological Aspects of Dental Implant Rejection." BioMed Research International 2020 (December 9, 2020): 1–12. http://dx.doi.org/10.1155/2020/7279509.
Full textAbstract:
Nowadays, dental implants are a prominent therapeutic approach among dentists for replacing missing teeth. Failure in dental implants is a severe challenge recently. The factors which lead to dental implant failure are known. These factors can be categorized into different groups. In this article, we discussed the immunological aspects of implant failure as one of these groups. Cytokines and immune cells have extensive and various functions in peri-implantitis. The equilibrium between pro and anti-inflammatory cytokines and cells, which involve in this orchestra, has a crucial role in implant prognosis. In conclusion, immune cells, especially macrophages and dendritic cells, almost increased in the patients with implant failure. Also, proinflammatory cytokines were proposed as diagnostic factors according to their higher levels in dental implant rejection.
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Hanif, Ayesha, Saima Qureshi, Zeeshan Sheikh, and Haroon Rashid. "Complications in implant dentistry." European Journal of Dentistry 11, no. 01 (January 2017): 135–40. http://dx.doi.org/10.4103/ejd.ejd_340_16.
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ABSTRACTAfter tooth loss, an individual may seek tooth replacement so that his/her function and esthetics could be restored. Clinical prosthodontics, during the past decade, has significantly improved and developed according to the advancements in the science and patient's demands and needs. Conventional options in prosthodontics for substituting a missing single tooth include the removable partial denture, partial and full coverage bridgework, and resin-bonded bridgework. Dental implants have gained increasing popularity over the years as they are capable of restoring the function to near normal in both partial and completely edentulous arches. With substantial evidence available, fixed implant-supported prosthesis are fully acknowledged as a reliable treatment option for the replacement of single or multiple missing teeth nowadays. While dental implants are increasingly becoming the choice of replacement for missing teeth, the impediments associated with them are progressively emerging too.
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Yuan, Fusong, Yao Sun, Lei Zhang, and Yuchun Sun. "Accuracy of chair-side fused-deposition modelling for dental applications." Rapid Prototyping Journal 25, no. 5 (June 10, 2019): 857–63. http://dx.doi.org/10.1108/rpj-04-2018-0082.
Full textAbstract:
Purpose The purpose of this paper is to establish a chair-side design and production method for a tooth-supported fixed implant guide and to evaluate its accuracy. Design/methodology/approach Three-dimensional (3D) data of the alveolar ridge, adjacent teeth and antagonistic teeth were acquired from models of the edentulous area of 30 patients. The implant guides were then constructed using self-developed computer-aided design software and chair-side fused deposition modelling 3D-printing and positioned on a dental model. A model scanner was used to acquire 3D data of the positioned implant guides, and the overall error was then evaluated. Findings The overall error was 0.599 ± 0.146 mm (n = 30). One-way ANOVA revealed no statistical differences among the 30 implant guides. The gap between the occlusal surface of the teeth covering and the tissue surface of the implant guide was measured. The maximum gap after positioning of the implant guide was 0.341 mm (mean, 0.179 ± 0.019 mm). The implanted axes of the printed implant guide and designed guide were compared in terms of overall, lateral and angular error, which were 0.104 ± 0.004 mm, 0.097 ± 0.003 mm, and 2.053° ± 0.017°, respectively. Originality/value The results of this study demonstrated that the accuracy of a new chair-side tooth-supported fixed implant guide can satisfy clinical requirements.