Relevant bibliographies by topics / Dental implant

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Dental implant'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 June 2024

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Journal articles on the topic "Dental implant"

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Ahmed, Naseer, Maria Shakoor Abbasi, Quratulain Mariam, Hanan William, Hafsa Iftikhar, Hamna Badar, and Adil Bin Irfan. "Analysis of Dental Practitioners Perception Towards Dental Implants." Journal of the Pakistan Dental Association 30, no. 1 (February 11, 2021): 45–49. http://dx.doi.org/10.25301/jpda.301.45.

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OBJECTIVE: To investigate the dental practitioner's knowledge, attitude and practice towards dental implants. METHODOLOGY: This study was carried out from May'2019 - Oct 2019. 752 dental practitioners who were currently practicing were included in the study. A well-structured questionnaire was used for data collection. SPSS-25 was used for statistical analysis. Spearman correlation was used to find the effect of gender, knowledge and attitude. The P <0.05 was considered statistically significant. RESULTS: In this study 80.9% dental practitioners were aware of the appropriate implant material while, 57.9% had knowledge about the types. 30.3% knew about the implant surface modifications whereas 46.1% dentists were aware of possible implant placement approaches. 49.3% believed that the distance between dental implants to be 3mm and between a dental implant and natural tooth to be 1.5 mm. 76% dentists claimed that dental implants have biomechanical complications. Whereas 67.8% knew about the Branemark's theory of osseointegration. Regarding the attitude of dental practitioners, 28.9% had received implant hands on trainings while 9% felt competent to place an implant. CONCLUSION: This study describes that dental practitioners had an appropriate knowledge of each aspect of implantology. Moreover despite the fact majority felt that they are not competent enough to practice it. Thus, it is important that the curriculum, teaching standards, the materials and methods regarding dental implants need to be reviewed and more exposure of hands-on workshops is to be provided not only for the graduates but also the undergraduates during their clinical learning. KEYWORDS: Dental Implants, Dentist's opinion, Knowledge HOW TO CITE: Ahmed N, Abbasi MS, Mariam Q, William H, Iftikhar H, Badar H, Irfan AB. Analysis of dental practitioners perception towards dental implants. J Pak Dent Assoc 2021;30(1):45-49
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Bagic, Iva, Hrvoje Pezo, Robert Celic, and Zarko Udiljak. "Punimet protetikore mobile të retinuara me implante me metoden e printimit tredimensional te pacientët me padhëmbësi totale." Revista e Stomatologëve të Kosovës 2, no. 1 (July 5, 2023): 55–64. http://dx.doi.org/10.59138/zhddkfztzdqli.

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Patients with total edentulism can be treated with fixed or mo- bile prosthetic implant rehabilitation with dental implants as part of implanto-prosthetic therapy. Of the three dental implant loading options/protocols (conventional, early loading, and im- mediate loading), removable prosthetic works are most often conventionally loaded and then they represent standard and reliable forms (with a high success rate) of implanto-prosthetic therapy.
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Vermeulen, Lisa, Aladdin Speelman, Valdiela Daries, and Vincent Philips. "Development of a radiographic dental implant guide for identification of dental implant types." South African Dental Journal 75, no. 8 (September 30, 2020): 432–37. http://dx.doi.org/10.17159/2519-0105/2020/v75no8a3.

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INTRODUCTION: Identification of dental implant types can be a complex process for inexperienced health care professionals. Dental implants can have subtle differences in their morphology, which make it difficult to distinguish them from one another The unique appearance of dental anatomy and the placement of custom restorations ensure accurate identification of bodies or human remains when radiographic techniques are correctly applied. AIMS AND OBJECTIVES: To develop a radiographic dental implant guide for ten common dental implant types currently used in the Western Cape, South Africa; using their morphological characteristics observed on pantomographs. DESIGN: The methodology considered for this research study was a positivist approach through a quantitative, exploratory, non-experimental research design. METHODS: Ten commonly used dental implants were radiographed at straight tube (ST), off-centre (OC) and severe off-centre (SOC) angles to create a reference instrument Two reviewers used the morphologies of the different dental implant types, namely the apex, thread and neck, observed on ante-mortem pantomographs, and compared it to the appearance of the dental implants in the reference instrument to make a positive identification match. The straight tube image of all ten dental implant types in the reference instrument was used as the initial point of reference to positively identify the morphological characteristics of each dental implant type on the pantomographs. RESULTS: A total of 380 dental implants could be identified on 105 pantomographs reviewed. Of the 380 dental implants, 350 dental implants (91%) were identified as dental implant types listed in the reference instrument while 30 dental implants were identified as another type of dental implant type not listed in the reference instrument A total of 208 dental implants (54.2%) could be positively identified on the ante-mortem pantomographs using the straight tube images in the reference instrument. The morphological characteristics of the dental implant types were described using x-ray imaging of dental implants. The ten commonly used dental implants types could be positively identified by two independent reviewers and based on this a radiographic dental implant guide was developed. CONCLUSION: Each dental implant type had unique morphological characteristics as well as similarities which enabled distinction between the different dental implant types. The dental implant guide developed could be used by dentistry and radiography students. The dental implant guide may be useful in the field of forensic dentistry and forensic radiology.
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Lee, Sang-Hee, Kyu-Seok Kim, Hye-Young Mun, and Jung-Yun Kang. "Prediction model for dental implants utilization in the elderly after the national health insurance coverage of dental implants : focusing on socioeconomic factors." Journal of Korean Society of Dental Hygiene 24, no. 1 (February 28, 2024): 9–16. http://dx.doi.org/10.13065/jksdh.20240002.

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Objectives: The demand for dental care is expected to increase as the population ages. This study aimed to predict the utilization of dental implant care following the expansion of national health insurance benefits for dental implants. Methods: Multiple linear regression analysis was performed on HIRA big data open portal data and DNN-based artificial intelligence models to forecast the utilization of dental care in relation to the national health insurance coverage for dental implants. Results: National health insurance coverage of dental implants was found to be associated with the number of patients using dental implant services and demonstrated a statistical significance. The dental implant services utilization increased with the increased dental implant health insurance benefits for the elderly population, increased mean by region, increased number of dental institutions by region, and increased health insurance coverage rate for dental implants. However, the dental implant services utilization decreased with the increased number of older people living alone and increased size of dental institutions. Conclusions: With the expansion of the national health insurance coverage for dental implants, it is predicted that the utilization of dental implant medical services will increase in the future.
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Thalib, Bahruddin, Rifaat Nurrahma, Asmawati, Nurlindah Hamrun, Alqarama Mahardika, Ian Afifah Sudarman, and Rezky Wahyuni Syamsuddin. "Implant survival rate of patients in Dental Hospital Hasanuddin University: 8 years evaluation." Indonesian Journal of Prosthodontics 3, no. 2 (February 20, 2023): 92–96. http://dx.doi.org/10.46934/ijp.v3i2.147.

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Data on dental implant treatment's success and survival rate are still limited. Meanwhile, the data on the success and survival after implant placement and restoration can be used to evaluate materials, improve the dental implant treatment, and enhance the service quality at Hasanuddin University Dental Hospital. The purpose of this study is to analyze the dental implant survival rate, the contributing factors that enhance the survival rate, and the factors causing the failure of the dental implants at the Prosthodontic Clinic of Dental and Oral Hospital, Hasanuddin Uni-versity. The final study group consisted of 11 patients with 20 implants. Implant failure was categorized based on implant loss, mobility, or removal due to severe peri-implant infection or implant fracture. Implant survival rates were grouped based on sex, age, smoking habit, placement location, diameter, length, and placement time. The value of implant survival rate was assessed based on the presentation of successful implants. Of all 20 cases, five implants failed, indicating a cumulative implant survival rate of 75%. Based on the failure period, there are initial failure cases before loading and late failure cases after loading. One implant failed within the first six months, and two implants failed 2 years after insertion of the superstructure. The leading cause of implant failure before loading is osseointe-gration failure. In the case of implants that failed after installing the superstructure, peri-implantitis occurs continous-ly. It was concluded that the implant survival rate for patients at the Hasanuddin University Dental Hospital is 75%. Dental implant survival rates include gender, age, implant placement location, smoking habits, implant diameter, length, and immediate or delayed implant placement. The factors causing the failure of the implant in this study were osseointegration failure and peri-implantitis
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Leite, Andressa Rosa Perin, Danny Omar Mendoza Marin, Gabriela Giro, Ana Carolina Pero, Ligia Antunes Pereira Pinelli, and José Maurício dos Santos Nunes Reis. "Custom Cast Ball Attachments Used on Outdated Implants to Restore a Maxillary Implant-Supported Overdenture." Journal of Oral Implantology 43, no. 4 (August 1, 2017): 297–301. http://dx.doi.org/10.1563/aaid-joi-d-16-00156.

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The lack of compatible prosthetic components can be a complication during oral rehabilitation using outdated implants. The aim of the present clinical report was to describe an alternative technique for the fabrication of a maxillary implant-supported overdenture in a patient with 20-year-old dental implants using castable spherical patterns and ball attachments. The patient had been wearing a relined bar/clip overdenture in the mandible on 4 external-hexagon dental implants and a relined complete denture in the maxilla on 4 internal-hexagon implants due to abutment screw fracture inside of the implants, losing the attachment system. The remaining maxillary dental implants did not possess attachments compatible with current systems due to configuration changes by the manufacturer in the dental implant's platform and the components over time. Therefore, castable spherical patterns and cast ball attachments were used to fabricate a maxillary implant-supported overdenture. The mandible rehabilitation was performed using 4 osseointegrated dental implants with a fixed implant-supported prosthesis. The use of cast ball attachments on the maxillary dental implants avoided invasive procedures on the remaining implants. Considering the lack of available compatible prosthetic components for the osseointegrated implants, this technique was considered a viable and satisfactory treatment option.
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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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Pirjamalineisiani, Adel, and Mohsen Sarafbidabad. "Comparative stability analysis of two types of CpTi and Zr-2.5% Nb implants after maxillofacial surgery." Journal of Periodontology & Implant Dentistry 8, no. 2 (October 9, 2017): 49–54. http://dx.doi.org/10.15171/jpid.2016.009.

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Background. Improving the implantation conditions in order to reduce the failure is always desirable for researchers. The aim of this study was to compare two different types of dental implant materials from biomechnical viewpoint in order to introduce a novel simulation method to select suitable materials for dental implants. Methods. In this research, drilling process was performed in the cortical bone of the mandible by finite element analysis simulation. Then, a 3D model of the produced hole in the drilled site was derived and a dental implant model by ITI design was inserted into the cavity. The space remaining between the implant and cavity was considered as a newly formed cortical bone area. Implant loading was performed on two dental implants with different types of material. The change in the volume of the cortical bone around each implant was considered a criterion for evaluating bone damage. Additionally, the micromotion of dental implant in the mandible after implantation was used for investigating dental implant stability. Results. After implant loading, the volume changes in newly formed cortical bone around Ti and Zr-2.5%Nb dental implants were measured at 0.010809 and 0.010996 mm3 , respectively. Furthermore, micromotion of Ti and Zr-2.5%Nb dental implants were measured at 0.00514 and 0.00538 mm, respectively. Conclusion. This study showed that Ti dental implant creates better conditions than Zr-2.5%Nb dental implant in the maxillofacial region
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Jia-mahasap, Wissanee, Chaiy Rungsiyakull, Wipahatpong Bumrungsiri, Natthaphorn Sirisereephap, and Pimduen Rungsiyakull. "Effect of Number and Location on Stress Distribution of Mini Dental Implant-Assisted Mandibular Kennedy Class I Removable Partial Denture: Three-Dimensional Finite Element Analysis." International Journal of Dentistry 2022 (March 26, 2022): 1–9. http://dx.doi.org/10.1155/2022/4825177.

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Purpose. To investigate effects of number and location on patterns of von Mises stress distribution and volume average stress on abutment tooth, edentulous ridge, mini dental implant, and surrounding bone of mini dental implant-assisted mandibular Kennedy class I removable partial denture. Materials and Methods. Eight three-dimensional finite element models of mandibular Kennedy class I with different numbers and locations of mini dental implants were constructed. Mini dental implants were generated in the area of second premolar, first molar, and second molar, respectively. A static load of 400 N was applied on all models. The von Mises stress and volumetric average stress were calculated by three-dimensional finite element analysis. Result. The minimum volumetric average stress of abutment tooth was found in the model, where there was one mini dental implant at the second molar position and 2 mini dental implants at first molar and second molar positions. The model with three mini dental implants had reduced volumetric average stress of abutment tooth, which was not different from the model with two mini dental implants. However, the minimum volumetric average stress of mini dental implant and surrounding bone were found when three mini dental implants were applied, followed by two and one mini dental implants, respectively. Conclusion. Placing at least one mini dental implant at a second molar position can help reduce stress transferred to the abutment tooth. Stresses around each implant and surrounding bone reduced with increased numbers of mini dental implants.
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El-Anwar, Mohamed I., Mohamed M. El-Zawahry, Eman M. Ibraheem, Mohammad Zakaria Nassani, and Hisham ElGabry. "New dental implant selection criterion based on implant design." European Journal of Dentistry 11, no. 02 (April 2017): 186–91. http://dx.doi.org/10.4103/1305-7456.208432.

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ABSTRACT Objective: A comparative study between threaded and plain dental implant designs was performed to find out a new criterion for dental implant selection. Materials and Methods: Several dental implant designs with a systematic increase in diameter and length were positioned in a cylindrical-shaped bone section and analyzed using finite element method. Four loading types were tested on different dental implant designs; tension of 50 N, compression of 100 N, bending of 20 N, and torque of 2 Nm, to derive design curves. Results: Better stress distribution on both spongy and cortical bone was noted with an increase in dental implant diameter and length. With the increase in dental implant side area, a stress reduction in the surrounding bones was observed, where threaded dental implants showed better behavior over the plain ones. Conclusions: Increasing value of ratio between dental implant side area and its cross-sectional area reduces stresses transferred to cortical and spongy bones. The use of implants with higher ratio of side area to cross-section area, especially with weak jaw bone, is recommended.
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Dissertations / Theses on the topic "Dental implant"

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Hultin, Margareta. "Factors affecting peri-implant tissue reactions /." Stockholm, 2001. http://diss.kib.ki.se/2001/91-628-4761-9/.

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Vermeulen, Lisa. "Development of a radiographic dental implant guide for forensic identification using current dental implants." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2755.

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Thesis (MSc (Radiography))--Cape Peninsula University of Technology, 2018.
Introduction: Forensic dentistry plays a key role in identifying human remains that cannot be identified visually or by other means. Studies have shown that in cases of single or multiple deaths, scientific identification of human remains utilising forensic dentistry is often the most successful source of identification. Dental identification of human remains consists of a very complex procedure that makes it necessary during the investigation process to use and compare unique dental identifiers. A reliable and accurate method of identifying human remains is a positive radiological identification between ante-mortem and post-mortem images of dental radiographic images. Even if ante-mortem radiographic images may not be present during the identification process, post-mortem images may include details of dental restorations such as dental implants which cannot be seen during visual examination. The different types of dental implants vary in morphology and in conjunction with the unique appearance of dental anatomy and the placement of custom restorations such as dental implants, it has been found to accurately assist in the identification of human remains. Objectives: To establish a radiographic dental implant guide for ten commonly used dental implant types in the Western Cape, South Africa; and to identify and describe the morphological characteristics of these dental implant types as observed on pantomographs. Methods: The ten commonly used dental implant types were imaged radiographically to create a reference instrument which served as a tool for identifying and comparing different types of dental implants. The morphologies of the different dental implants, specifically the apex, thread and neck, were observed on ante-mortem pantomographs and compared to the appearance of the dental implants on the reference instrument to make a positive match. The straight tube image of all ten dental implant types in the reference instrument was used as the point of reference to positively identify the morphological characteristics of each dental implant type on the pantomographs. The morphological characteristics of the ten commonly used dental implant types used in the Western Cape were described and based on this a radiographic dental implant guide was developed. Results: A total of 384 dental implants were observed on the pantomographs. Of these, 380 dental implants could be positively identified on the pantomographs while 4 dental implants could not. A total of 350 dental implants (91%) were identified as dental implant types listed in the reference instrument while 30 dental implants were identified as a dental implant type not listed in the reference instrument. A total of 208 dental implants (54.2%) could be positively identified using the morphological characteristics namely the apex, thread and neck on the straight tube images of the dental implant type in the reference instrument. The radiographic dental implant guide was developed based on positive identification of the morphological characteristics of the dental implant types. Conclusion: This research study has illustrated that the morphology of dental implants can be used to differentiate between different dental implant types on pantomographs. Each dental implant type had unique morphological characteristics as well as similarities which enabled distinction between the different dental implant types, which facilitated dental implant identification and the development of a radiographic dental implant guide. The radiographic dental implant guide developed as part of this research study, may be useful in the field of forensic dentistry and forensic radiology.
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O'Sullivan, Dominic. "The effect of implant geometry upon the primary stability of dental implants." Thesis, University of Bristol, 2001. http://hdl.handle.net/1983/339010c1-63ee-4eb9-b03c-b3a2b9b89dbf.

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Oliveira, Gustavo Augusto Grossi de. "Efeito da superfície hidrofílica na osseointegração de implantes em sítios com defeitos ósseos circunferenciais: estudo experimental em cães." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/58/58136/tde-08032013-091728/.

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INTRODUÇÃO: A qualidade da interface osso-implante pode ser influenciada diretamente por aspectos inerentes ao tratamento da superfície do titânio e determina a forma que as células interagem, aderem e se fixam a ela, podendo potencializar e encurtar o tempo de osseointegração. Este estudo propôs-se a analisar alterações na osseointegração produzidas pela hidrofibilidade das superfícies dos implantes Neoss®. MATERIAIS E MÉTODOS: Foram utilizados 6 cães da raça labrador e instalados 44 implantes Neoss® bilateralmente na mandíbula com defeitos ósseos padronizados na região coronal: 22 implantes apresentavam superfície ProActive (hidrofílica) e outros 22 implantes eram de superfície Bimodal (hidrofóbica). Foram avaliados a resposta biológica nos períodos de uma semana e quatro semanas de osseointegração, utilizando parâmetros histológicos, histomorfométricos, fluorescência e de estabilidade mecânica aferido pelo método de análise de frequência de ressonância (RFA). As superfícies também foram submetidas à análise topográfica por interferometria óptica e quanto a propriedade de hidrofibilidade. RESULTADOS: Nos testes topográficos, a superfície ProActive apresentou valor de Sa de 0,4m contra Sa de 0,8m da superfície Bimodal, sugerindo menor rugosidade da superfície hidrofílica. A umectibillidade da superfície foi maior no grupo ProActive, exibindo valores de ângulos de contato de 27,2° contra 67,2° da superfície Bimodal. Ambas as superfícies apresentaram valores semelhantes nos períodos de uma e quatro semanas no que diz respeito à estabilidade mecânica do implante, aferidos com o RFA e nos parâmetros histomorfométricos em relação deposição óssea ao seu redor CONCLUSÕES: 1) A superfície ProActive apresentou valores menores de rugosidade e aumento da umectibilidade em relação aos implantes com superfície Bimodal. 2) A superfície ProActive utilizada no presente estudo não favoreceu os eventos de osseointegração nas condições períodos de 1 e 4 semanas avaliados. 3) Após 4 semanas de osseointegração, ocorreu aumento da estabilidade dos implantes instalados sem haver diferença entre as superfícies ProActive e Bimodal. 4) A estabilidade dos implantes, avaliados por meio do RFA, aumentou gradativamente durante a osseointegração, sem haver diferença entre as superfícies testadas.
INTRODUCTION: The quality of the bone-implant interface can be directly influenced by factors inherent to titanium surface treatment which determines cells interaction and adherence to shortening the time for osseointegration. This study aimed to assess changes on osseointegration produced by the hidrophibility of Neoss® implants surfaces. MATERIALS AND METHODS: Six labrador dogs were used and 44 Neoss® implants bilaterally installed in the mandible (ProActive with hydrophilic surface) and (Bimodal hydrophobic surface), in standardized bone defects in the coronal region. The biological responses in one and four weeks of osseointegration were evaluated using histological, histomorphometric, fluorescence analysis and mechanical stability measured by Resonance Frequency Analysis (RFA). The surfaces were also subjected to topographic analysis by optical interferometry and hydrophobicity by wettability analysis. RESULTS: The topographic surfaces test showed value of 0.4 micrometers for ProActive implants, against 0.8 micrometers for Bimodal implants, suggesting less hydrophilic surface roughness in the former (p0.05). The wettability values were higher in ProActive surface, with contact angles of 27.2° versus 67.2° of the Bimodal surface (p0.05). Both implant surfaces exhibited similar mechanical stability measured by RFA, as well as the histomorphometric parameters related to bone deposition onto the surfaces. CONCLUSIONS: 1) The ProActive surface showed lower roughness values and increased wettability compared to Bimodal surface. 2) The ProActive surface did not favor osseointegration at 1 and 4 weeks. 3) After 4 weeks of osseointegration the implants increased in stability, with no statistical differences between Bimodal and ProActive surfaces
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Santiago, Junior Joel Ferreira [UNESP]. "Avaliação da influência de diferentes materiais oclusais na confecção de próteses fixas implantossuportadas unitárias com diferentes diâmetros dos implantes osseointegrados: estudo pelo método dos elementos finitos tridimensionais." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/93588.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
A literatura científica ainda é escassa em relação à influência de diferentes materiais na confecção de próteses fixas implantossuportadas unitárias em relação aos diferentes diâmetros dos implantes osseointegrados na distribuição das tensões; as suas manifestações e repercussões na prática clínica ainda não estão totalmente esclarecidas, sendo a fundamentação científica indispensável. Assim, o objetivo desta dissertação foi avaliar a influência do material de revestimento oclusal na confecção de prótese fixa implantossuportada unitária com diferentes diâmetros de implantes osseointegrados. Para o estudo foram elaborados 08 modelos, representando cada qual uma secção de osso mandibular (osso esponjoso e cortical), com a presença apenas de um implante (Conexão Master Screw, Sistemas de Próteses, São Paulo, Brasil) do tipo hexágono externo de 3.75 mm x 10 mm (4 modelos) e de 5.00 mm x 10 mm (4 modelos) com coroas de porcelana feldspática, ou de resina acrílica, ou de resina composta ou coroa liga de NiCr. Para confecção dos modelos foram utilizados os programas de desenho assistido: Rhinoceros® 3D 4.0 (NURBS Modeling for Windows, EUA) e SolidWorks® 2006 (SolidWorks Corp, Massachusetts, USA). Os desenhos tridimensionais foram exportados para o programa de elementos finitos NEI Nastran® 9.0 (Noran Engineering, Inc, EUA), para geração da malha, aplicação da carga e análise. Os resultados foram visualizados através dos mapas de tensão von Mises de cada modelo proposto, a fim de avaliar as variações individuais da distribuição das tensões no implante e na coroa; no osso os resultados foram visualizados através dos mapas de tensão máxima principal. Na carga axial (200 N), o osso cortical não mostrou grandes diferenças entre todos os modelos e o osso trabecular sofreu um aumento das tensões por tração...
The scientific literature is still scarce about the influence of different veneering materials used in fabricating superstructures for implant-retained fixed prostheses in relation to different implant diameters on stress distribution, and the manifestations and implications in clinical practice were not clarified. The aim of this dissertation was to evaluate the influence of occlusal material for single implant-supported fixed prostheses with different implant diameters. For this study were simulated 8 models, representing a section of the mandibular bone (trabecular and cortical bone) with a single external hexagonal implant (Master Screw, Conexão Sistema de Prótese ltda., Sao Paulo, Brazil) of 3.75 x 10 mm (4 models) and 5.00 mm x10 mm (4 models) with a crown with different occlusal materials: feldspathic porcelain crowns, or acrylic resin or composite resin crown or NiCr alloy. The models were designed using computer-aided design softwares : Rhinoceros® 3D 4.0 (NURBS Modeling for Windows, USA) and SolidWorks® 2006 (SolidWorks Corp., Massachusetts, USA). The three-dimensional designs were exported to the finite element program NEI Nastran® 9.0 (Noran Engineering, Inc, USA) for mesh generation, load application and analysis. The results were visualized through von Mises stress maps of each model, to assess individual variations of the stress distribution on the implant and crown; bone results were visualized through maps of maximum principal stress. In axial loading (200 N), cortical bone showed no significant differences in all models,on the trabecular bone the tensile stress increased, with regular implant diameter. For non-axial loads (100 N), the cortical bone, the tensile stress increased significantly on the side common the load application, when it reduced the implant diameter; in the trabecular bone showed seemed stress patterns, although more... (Complete abstract click electronic access below)
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Bacchi, Ataís 1986. "Influência do material de infraestrutura e do desajuste vertical de próteses parciais fixas implantossuportadas nas tensões transmitidas às estruturas protéticas e ao tecido ósseo peri-implantar." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288548.

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Orientador: Rafael Leonardo Xediek Consani
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O objetivo neste estudo foi avaliar a influência do material de infraestrutura e diferentes níves de desajuste vertical na concentração de tensões em prótese parcial fixa implantossuportada (infraestrutura e porcelana de cobertura), parafuso de retenção e tecido ósseo peri-implantar durante o assentamento protético e frente à aplicação de carga oclusal. Um modelo tridimensional de elementos finitos de uma porção posterior de mandíbula contendo dois implantes osseointegrados nas posições de segundo pré-molar e segundo molar, suportando uma prótese parcial fixa foi construído utilizando software específico de modelagem (SolidWorks 2010). Modelos de elementos finitos foram obtidos pela importação do modelo sólido ao software de simulação mecânica (ANSYS Workbench 11). Os modelos foram separados em grupos de acordo com o material de infraestrutura (liga de ouro tipo IV, liga de prata-paládio, titânio comercialmente puro, liga de cobalto-cromo ou zircônia) e o nível de desajuste vertical (10 ?m, 50 ?m e 100 ?m) criado na interface prótese-implante do segundo pré-molar. A concentração de tensões foi avaliada nas seguintes condições: (1) assentamento protético; e (2) cargas oclusais simultâneas de 110 N vertical e 15 N horizontal em cada dente. Os resultados obtidos mostraram que as infraestruturas mais rígidas apresentam maior concentração de tensões internas; entretanto, promoveram menores concentrações de tensão sobre a porcelana de recobrimento, em ambas condições avaliadas. Na análise do assentamento protético, materiais mais rígidos para infraestruturas aumentaram os valores de tensão no parafuso de retenção e não causaram diferença relevante nas tensões no tecido ósseo peri-implantar. Quando a carga foi aplicada, o uso de infraestruturas mais rígidas promoveu redução de tensões no parafuso de retenção e no tecido ósseo peri-implantar. Em ambas condições avaliadas um considerável aumento na concentração de tensões foi obsevado em todas as estruturas com a amplificação do desajuste. Nas diferentes simulações, o material de infraestrutura exerceu considerável influência nas tensões transmitidas às estruturas avaliadas, exceto ao tecido ósseo peri-implantar em condições de assentamento. Aumento de tensões em todas as estruturas pode ser observado com o aumento do desajuste
Abstract: The aim in this study was to evaluate the influence of the framework material and vertical misfit on the stresses created in an implant-supported partial prosthesis (framework and porcelain veneer), retention screw and peri-implant bone tissue during the settlement of the prosthesis and under load conditions. A 3-D Finite Element model of a posterior part of a jaw with two osseointegrated implants at the place of the right second pre-molar and second molar supporting an implant-supported fixed partial prosthesis was constructed using specific modeling software (SolidWorks 2010). Finite element models were obtained by importing the solid model into mechanical simulation software (ANSYS Workbench 11). The models were divided into groups according to the framework material (type IV gold alloy, silver-palladium alloy, commercially pure titanium, cobalt-chromium alloy or zirconia) and vertical misfit level (10 ?m, 50 ?m and 100 ?m) created at the second pre-molar implant-prosthesis interface. The stress concentration was evaluated in the following conditions: (1) settlement of the prosthesis; and (2) simultaneous loads of 110 N vertical and 15 N horizontal in each tooth. The obtained results showed that stiffer frameworks presented higher stress concentrations in it and led to lower stresses in the porcelain veneer, in both conditions. In the analysis of settlement of the prosthesis, stiffer framework materials increased the stress values in the retention screw and did not cause a relevant difference in the stresses values in peri-implant bone tissue. When the load was applied, the use of more stiffness frameworks led to lower stresses in the retention screw, and peri-implant bone tissue. In both conditions evaluated, considerable raise of stress concentration was observed in all the structures within misfit amplification. Comparing the results of the different simulations, the framework materials presented a considerable influence on the stress concentration in the structures evaluated, except on the peri-implant bone tissue during the settlement of the prosthesis, while a considerable increase of the stress in all the structures was observed with the increase of the misfit
Mestrado
Protese Dental
Mestre em Clínica Odontológica
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Ayub, Karen Vaz. "Avaliação clínica e radiográfica de implantes utilizados como pilares de próteses inferiores implantossuportadas do tipo protocolo, colocadas sob carga imediata, empregando dois sistemas reabilitadores após 7 anos." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/25/25146/tde-03122013-164207/.

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Esta pesquisa avaliou o sucesso de implantes utilizados como pilares de próteses inferiores implantossuportada do tipo protocolo, empregando dois sistemas reabilitadores, sob carga imediata, após 7 anos. Foram pesquisados os seguintes aspectos: índices de placa e de sangramento, estabilidade dos implantes por frequência de ressonância (FR) e perda óssea marginal. Foram avaliados 76 implantes, em 19 pacientes, divididos em 2 grupos: A (n=12, All-on-four® - Nobel Biocare®) e B (n=7, Neopronto® - Neodent®). Os pacientes foram acompanhados nos momento da instalação dos implantes (inicial), 6 meses, 1, 2 e 7 anos após a instalação. Os resultados mostraram uma taxa de sucesso de 100% para os implantes do grupo A e de 90% para o grupo B. Os índices de placa não apresentaram diferenças estatisticamente significativas e foram, no grupo A, de 71,87%, 63,54% e 47,92%, e, no grupo B de 26,78%, 41,07% e 37,50%, para as avaliações de 1, 2 e 7 anos, respectivamente. O índice de sangramento para o grupo A foi de 43,75%, 42,71% e 43,75% e para o grupo B foi de 53,57%, 51,79% e 48,21%, nos tempos de avaliação de 1, 2 e 7 anos, respectivamente, sem diferenças estatísticas. Não foi observado supuração em nenhum tempo de avaliação. Os resultados de FR não diferiram estatísticamente entre os dois grupos, entretanto, diminuíram entre a avaliação inical (grupo A = 69,27ISQ e grupo B = 68,29ISQ) e de 6 meses (grupo A = 64,65ISQ e grupo B = 66,50ISQ), e aumentaram nos anos seguintes para os 2 grupos, sendo para o grupo A de 66,17ISQ, 66,05ISQ e 69,87ISQ e para o grupo B de 67,78ISQ, 68,13ISQ e 73,61ISQ para os tempos de 1, 2 e 7 anos, respectivamente. Em relação a perda óssea, existiu diferença significativa entre grupos e foi de 0,49mm e 0,67mm após 1 ano e de 1,03mm e 1,27mm, após 7 anos, para os grupos A e B, respectivamente. Em relação à posição dos implantes, o grupo B apresentou diferença estatística entre os implantes centrais e distais nas avaliações de FR e perda óssea. Concluiu-se que 1- a taxa de sucesso foi de 100% para o grupo A e de 90% para o grupo B; 2- os índices de placa e de sangramento diminuíram ao longo dos anos de avaliação; 3- a FR foi semelhante entre os grupos, mas com diferença significativa no grupo A para o critério tempo e, no grupo B para os critérios tempos de avaliação e posição dos implantes; 4- perda da altura da crista óssea foi diferente significativamente entre os grupos, sendo maior no grupo B.
This study evaluated the success of implants used to support mandibular complete full-arch fixed prosthesis employing two rehabilitation systems with immediate loading after 7 years. The following aspects were investigated: plaque and bleeding index, implant stability by resonance frequency analysis and marginal bone loss. The 76 implants were evaluated in 19 patients divided in 2 groups: A (n=12, All-on-four® - Nobel Biocare®) and B (n=7, Neopronto® - Neodent®). The follow-up visits were at the time of implant placement (initial), 6 months, 1, 2 and 7 years after surgery. The results showed a success rate of 100% for implants in group A and 90% for group B. The plaque index did not differ statistically signifcant and were in group A, 71.87%, 63.54% and 47.92%, and in group B 26.78%, 41.07% and 37, 50% for 1, 2 and 7 years of follow-up, respectively. The bleeding index for group A was 43.75%, 42.71% and 43.75% and for group B was 53.57%, 51.79% and 48.21%, for 1, 2 and 7 years of follow-up, respectively, no statistical differences. Suppuration was not observed at any time of evaluation. The results of FR did not differ significantly between groups, however, decreased between initial (group A = 69,27ISQ and group B = 68,29 ISQ) and 6 months (group A = 64,65ISQ and group B = 66,50ISQ), and increased in the following evaluations for both groups, in group A was 66,17ISQ, 66,05ISQ and 69,87ISQ and group B was 67,78ISQ, 68,13ISQ and 73,61ISQ for 1, 2 and 7 years of follow-up, respectively. In relation to bone loss, a significant difference existed between groups and was 0,49mm and 0,67 mm after 1 year and 1,03mm and 1,27mm after 7 years, for groups A and B, respectively. Regarding the position of the implants, group B showed statistical difference between the central and distal implants for FR and bone loss. It was concluded that 1- Success rate was 100% for group A and 90% for group B; 2 - Plaque and bleeding index decreased over the follow-up; 3- FR was similar between groups, but with a significant difference in group A for thw criterion time, and in group B for the criteria evaluation times and position of the implants, 4- bone loss was significantly different between groups, and higher in group B.
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Antenucci, Rosse Mary Falcón [UNESP]. "Análise das tensões em próteses unitárias implantossuportadas com diferentes tipos de conexões e qualidade óssea: estudo pelo método dos elementos finitos tridimensionais." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/105562.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Um aspecto crítico que afeta o sucesso ou falha de um implante é a maneira pela qual as tensões são transferidas do implante ao tecido ósseo. A sobrecarga na prótese dentária pode levar a perda da osseointegração, dessa forma, é aconselhável evitar altas concentrações de tensões no osso de suporte, do ponto de vista clínico. Entretanto, o estresse mecânico pode ter consequências positivas ou negativas no tecido ósseo, fatores esses dependentes de vários fatores associados que podem ser mecânicos ou biológicos. Portanto, o propósito do presente estudo foi analisar a influência da qualidade óssea na distribuição das tensões em próteses unitárias implantossuportadas com diferentes tipos de conexão protética, pelo método dos elementos finitos tridimensionais. Para isso, foram confeccionados doze modelos tridimensionais com o auxílio dos programas de modelagem gráfica SolidWorks 2010 e Rhinoceros 4.0, além do programa InVesalius. Cada modelo foi composto por um bloco com diferentes qualidades ósseas (Tipo I, II, III e IV) e a presença de um implante (4,0x10 mm) com diferente tipo de conexão (Hexágono externo, interno e cone Morse), com coroa metalo-cerâmica. Após geração de geometrias, os modelos foram importados para o programa de pré e pós processamento de elementos finitos FEMAP 10.2, onde foram geradas as malhas de elementos finitos, condições de carregamento e contorno. A carga aplicada foi de 200N axialmente e 100N obliquamente, na superfície oclusal das coroas. Essa carga total foi dividida entre as cúspides (4 para a carga axial e as duas linguais para a carga oblíqua). Em seguida, a análise foi gerada no programa FEMAP 10.2 e exportada para cálculo no programa de elementos finitos...
A critical issue that affects the success or failure of an implant is the manner in which the stresses are transferred from the implant to bone tissue. The overload can lead the dental implant to loss of osseointegration, thus it is advisable to avoid high stress concentrations in bone support, according to the clinical point of view. However, mechanical stress can bring positive or negative consequences in the bone tissue and these factors depend on association with mechanical or biological factors. Therefore, the purpose of this study was to analyze the influence of bone quality on stress distribution in implant-prosthesis unit with different types of prosthetic connection, by the three-dimensional finite element method. For this, twelve three-dimensional models were made with the aid of SolidWorks 2010 and Rhinoceros 4.0, graphical modeling software, besides the InVesalius. Each model was composed of a block with different bone qualities (Type I, II, III and IV), an implant (4.0 x 10 mm) with different type of prosthetic connection (Hexagon external, internal and Morse taper) and metal ceramic crown. After generation of geometries, the models were imported into FEMAP 10.2, the pre and post-processing finite element software, where it was generated finite element meshes, boundary and loading conditions. The 200N load was applied axially and 100N obliquely on the occlusal surface of crowns. This total load was divided among the cusps (four points for the axial load and two points for the oblique load on the lingual cusps). Then, the analysis was generated in the FEMAP 10.2 and exported to the NeiNastran version 9.2 software for calculation in finite element analysis, running on a workstation. The results were imported back to the FEMAP 10.2 for viewing and post-processing maps of von Mises stress and... (Complete abstract click electronic access below)
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Soo, Steven. "The superplastic forming of dental implant superstructures." Thesis, King's College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406935.

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Al-Noaman, Ahmed. "Novel bioactive glass coating for dental implant." Thesis, Queen Mary, University of London, 2012. http://qmro.qmul.ac.uk/xmlui/handle/123456789/3342.

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With an increasingly ageing population the requirement for titanium implants will grow. A major challenge is to speed up the rate and strength of osseo-integration. Bioactive glass coated titanium is postulated to improve bone-bonding ability of titanium. However, bioactive glasses have a higher thermal expansion coefficient (TEC) than titanium and are more prone to crystallization during coating process. Therefore, the aim was to develop a bioactive glass coating that matches the TEC of titanium does not crystallize during coating process and forms surface apatite in vivo and in vitro. To achieve these qualities certain compounds (MgO, CaF2 and MgF2 and fluorapatite (FA) crystals) were substituted or added to the glass composition. The glasses were prepared using melt-derived route. The ground glasses were sieved to obtain less than 45 μm diameter glass particles and this powder characterised using X-ray diffraction (XRD), differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FTIR). Glass rods were cast to measure TEC, glass transition temperature (Tg) and softening temperature (Ts) using Dilatometry. Glass structure was investigated by measuring glass density and oxygen density. The apatite-forming ability of the glass powder was assessed in both Tris-buffer and simulated body fluid (SBF). Filtrates were analysed by inductively coupled plasma spectroscopy (ICP). Titanium disks were coated with bioactive glass/composites using the enamelling technique. Coated samples were characterised by (XRD, FTIR) and scanning electron microscopy (SEM-EDS). Bioactivity of coating samples was studied after 1 month immersion in Tris-buffer solution or SBF. Biocompatibility assays of glass coatings were assessed using UMR106 osteoblast-like cells and a fibroblast cell line. The results generated some interesting findings – firstly it is possible to produce glasses with comparable TEC of titanium and wide sintering windows. Although most preparations were more bioactive compared with those of Saiz and Tomsia–not all preparations were bioactive. Some coatings were biocompatible with fibroblasts, but not osteoblast-like cells. Whilst some glasses might not be suitable for a coating, they may have use as structural scaffolds for skeletal reconstruction.
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Books on the topic "Dental implant"

1

Froum, Stuart J., ed. Dental Implant Complications. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.

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Wilson, Thomas G., and Stephen Harrel, eds. Dental Implant Failure. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18895-5.

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Misch, Carl E. Dental implant prosthetics. St. Louis, Mo: Mosby, 2005.

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1951-, Miller Mary, ed. Implant dental nursing. Oxford, UK: Blackwell Munksgaard, 2008.

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Bagheri, Shahrokh C., Husain Ali Khan, and Mark R. Stevens, eds. Complex Dental Implant Complications. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47012-8.

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Misch, Carl E. Contemporary implant dentistry. 2nd ed. St. Louis: Mosby, 1999.

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Misch, Carl E. Contemporary implant dentistry. 3rd ed. St. Louis, MO: Mosby Elsevier, Inc., 2008.

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Misch, Carl E. Contemporary implant dentistry. 2nd ed. St. Louis: Mosby, 1999.

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E, Misch Carl, ed. Contemporary implant dentistry. St. Louis: Mosby, 1993.

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Advanced immediate loading. Hanover Park, IL: Quintessence Pub. Co., 2012.

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Book chapters on the topic "Dental implant"

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Bidra, Avinash S. "Prosthodontic management of malpositioned implants and implant occlusion complications." In Dental Implant Complications, 559–5571. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch25.

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Waguespack, Dennis E., and Brian C. Butler. "Implant naturalization: restoring osseointegrated dental implants with damaged platforms and connections." In Dental Implant Complications, 145–52. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch7.

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Brancato, Diego A., Jorge M. Galante, and Nicolás A. Rubio. "Implant Drilling Systems." In Digital Dental Implantology, 91–104. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65947-9_5.

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Froum, Stuart J. "Implant complications: scope of the problem." In Dental Implant Complications, 1–9. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch1.

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Wadhwani, Chandur P. K. "Complications related to cemented implant restoration." In Dental Implant Complications, 187–208. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch10.

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Chen, Stephen T., Daniel Buser, and Med Dent. "Esthetic complications due to implant malpositions: etiology, prevention, and treatment." In Dental Implant Complications, 209–32. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch11.

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Goodacre, Charles J., and Mathew T. Kattadiyil. "Prosthetic-related dental implant complications: etiology, prevention, and treatment." In Dental Implant Complications, 233–58. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch12.

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Simon, Harel. "The loose implant restoration syndrome." In Dental Implant Complications, 259–97. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch13.

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Andrade, Oswaldo Scopin de, Dario Adolfi, Maristela Lobo, and Maristela Lobo. "Management of complications associated with single-implant esthetics." In Dental Implant Complications, 298–315. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch14.

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Tarnow, Dennis P., Sang-Choon Cho, Stephen J. Chu, and Stuart J. Froum. "Esthetic complications with adjacent implant restorations." In Dental Implant Complications, 316–31. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119140474.ch15.

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Conference papers on the topic "Dental implant"

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Faegh, Samira, and Sinan Müftü. "Load Transfer Along the Bone-Dental Implant Interface." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206815.

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Endosseous dental implants are used as prosthetic treatment alternatives for treating partial edentulism [1]. Excellent long term results and high success rates have been achieved using dental implants during the past decades. Further improvements in implant protocols will include immediate loading, patient specific implants, applications for patients with extreme bone loss and extreme biting habits such as bruxism. The implant designs available in the market vary in size, shape, materials and surface characteristics [2], and address some of these concerns. An important factor in the implant design is the load transfer from the implant to bone during occlusal loading.[2,3] Load transfer starts along the bone-implant interface, and is affected by the loading type, material properties of the implant and prosthesis, implant geometry, surface structure, quality and quantity of the surrounding bone, and nature of the bone-implant interface [4]. While many studies using the finite element method (FEM) have been carried out [2–5], a systematic investigation of the load transfer at the bone implant interface, and the effects of various parameters that make the implant contour is lacking. The goal of this paper is to investigate one aspect of this multivariable problem, namely the effect of external implant threads on the load transfer along the bone-implant interface.
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Sego, T. J., Yung-Ting Hsu, Tien-Min Gabriel Chu, and Andres Tovar. "Towards the Optimal Crown-to-Implant Ratio in Dental Implants." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67889.

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Short dental implants are commonly recommended to be implemented with small crown-to-implant (C/I) ratios due to their mechanical stability — decreasing C/I ratios cause less deformation in skeletal tissue under occlusal force. However, the long-term stability of short implants with high C/I ratios remains a controversial issue due to biomechanical complications. This study evaluates the strain distribution and functional implications in an implant-supported crown with various C/I ratios using a high-fidelity, nonlinear finite-element model. Several clinical scenarios are simulated by loading implants with various implant lengths (IL) and crown heights (CH). Strain distribution and maximum equivalent strain are analyzed to evaluate the effects and significance of CH, IL, and the C/I ratio. The study shows underloading for certain implant configurations with high C/I ratio. Increasing IL and decreasing C/I in moderation demonstrates a positive effect in long-term stability.
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Aziz, Imran, Waleed A. Khan, Faisal Moeen, Imran Akhtar, and Wasim Tarar. "Effect of Varying Diameter of Dental Implants During Placements in Compromised Bony Ridges at Different Insertion Torques: A Finite Element Study." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38388.

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The life of dental implant depends on various parameters such as insertion torque, implant diameter and cortical and cancellous bones thickness. The thickness of the cortical and cancellous bones varies from patient to patient and for each thickness, the corresponding studies are required to determine the favorable implant loading. In this study, stress analysis on various dental implant fixtures inserted in compromised bony ridges is performed using three dimensional finite element analyses. Initially, the modeling and analysis of previously analyzed structure is done to validate the solution procedure. After successful validation, three dimensional linear elastic analysis of bone implant bone assembly is performed. The implant material is treated as isotropic whereas the bone materials are taken as anisotropic materials. The parametric study finds the effect of insertion torque and variation of implant diameter on stress induced in the compromised bony ridge. Further, the implant bone assembly was analyzed using various cortical bone thicknesses. It has been observed that the increase in torque results in increased stress and deformation in the bone. With increasing bone thickness, the similar variation of torque produces less stress and deformation in dental implants. The study is helpful in prediction of favorable implant loading and implants diameters for compromised bony ridges. The study provides useful knowledge in improving the performance and life of dental implants.
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Bozkaya, Dinc¸er, and Sinan Mu¨ftu¨. "The Effect of Bone Modulus on the Stress Distribution in a Dental Implant: A 3D Finite Element Analysis." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32595.

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The long-term success of dental implants depends, in part, on the stress distribution created in the bone, when the implant is loaded by biting forces. In this presentation, we present our findings on the stress distribution characteristics of a dental implant by varying bone mechanical properties surrounding the implant.
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Soares, C., A. Cortez, M. Sampaio, P. Gobbo, R. Natal, and J. Mendes. "Dental Implant Retentive Force Analysis." In 2021 Global Medical Engineering Physics Exchanges/ Pan American Health Care Exchanges (GMEPE/PAHCE). IEEE, 2021. http://dx.doi.org/10.1109/gmepe/pahce50215.2021.9434841.

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Baker, Maribel I., Jack E. Lemons, and Alan W. Eberhardt. "Bone Properties Surrounding Hydroxyapatite-Coated Custom Osseous Integrated Dental Implants." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19020.

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Dental implants are widely used for replacement of teeth and correction of defects in maxillary and mandibular bone. Their effectiveness is largely dependent upon biostability and osteointegration between the bone and implant. One of the major causes of dental implant failure is aseptic loosening or resorption of bone at the interface [2]. In order to diminish such failures, coatings and surface roughening are used to enhance osteointegration and biostability between the bone and the implant [3].
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Delgado, Daniel, Arturo A. Fuentes, Robert Jones, and Arnold Lumsdaine. "Quantitative Determination of the Stability of Implant-Bone Interface Using Resonance Frequency Analysis." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33490.

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It is important to have a quantitative method to establish a standard way to measure stability and osseointegration of implants. Among other benefits, these measurements would provide information leading to the prediction of healing time around the implant and the monitoring of the health of the implant’s interface. The dental industry has been looking for non-destructive methods to measure implant integration within the bone. In previous studies, resonance frequency analysis revealed a clear relationship between resonance frequency measurements and stiffness of the implant interface and the effective length of the implant. These studies have examined only one mode of vibration or have suffered from measurement difficulties. Furthermore, no study has evaluated the damping properties of the interface and surrounding tissues. This paper describes the development of an instrument capable of capturing and measuring information to characterize the process of dental implant osseointergration. The parameters needed to measure stability and osseointegration of implants are the stiffness of the implant components (which are a function of their geometry and material composition) and the stiffness and damping properties of the implant-bone interface and surrounding tissues. The instrument developed provides valuable information about the stiffness and damping properties of the implant-bone interface obtained through resonance frequency analysis with torsional, longitudinal and transverse vibration. Experimental, analytical, and finite element analysis results are presented.
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Dabaja, Rana, Bogdan I. Popa, Sun-Yung Bak, Gustavo Mendonca, and Mihaela Banu. "Design and Manufacturing of a Functionally Graded Porous Dental Implant." In ASME 2022 17th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/msec2022-85426.

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Abstract Dental implants are a prosthesis for missing teeth that are made to match a natural tooth. Current dental implants experience a high risk of failure in patients that have diseases affecting the oral region. When the patient experiences one or more of these diseases, the interface between the bone and implant is compromised and patients can experience low success rates or insufficient remaining bone structure. The purpose of this research is to create a dental implant technology that is suitable for both healthy and unhealthy patients. In the solutions studied, inducing pores into the Ti6Al4V implant proved to mimic the material properties of natural bone resulting in enhanced osseointegration. We plan to create an innovative solution with enhanced osseointegration that will ensure a gradient in mechanical properties. The complex geometry of the pore-induced dental implant is manufactured using the additive manufacturing method of selective laser melting (SLM). In this research, a functionally graded porous disk was designed using lattice-like pores to mimic the structure of bone. Multiple samples were created with 50-micron pores and printing was studied to test the capabilities of the SLM machine and resolution of the samples. It was found that the parameters play a role in the print resolution of the design. Additional porosity was induced through a keyhole effect during selective melting process.
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You, Jia, Zesong Tan, Xianfeng Jiang, Haiping Wu, and Wei Peng. "Study on dental implant layouts of mandibular dental defect." In 2011 International Conference on Human Health and Biomedical Engineering (HHBE). IEEE, 2011. http://dx.doi.org/10.1109/hhbe.2011.6029009.

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Öztoprak, Kaan, and Ece Öztoprak. "Investigation of Acid Residue on the Surface of Dental Implants after Different Surface Cleaning Processes." In The 9th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2022. http://dx.doi.org/10.24264/icams-2022.ii.20.

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For dental implants to osseointegrate well, all clinical and production conditions must be perfect. Due to some negativities in production conditions, unwanted residual materials may remain on the implant surfaces, and these may adversely affect osseointegration. While producing implants, some surface treatments are required. These processes are generally based on the principle of increasing the surface area. Thus, they can provide attachment to the bone on more surfaces. Most methods applied to increase the implant surface area include acidic chemicals. After the acid is applied to the implant surfaces, the acid in the pits formed on the surface must be removed entirely. In cases where the acid cannot be completely removed, the remaining acid may cause bone destruction and cause implant loss. For this reason, some processes must be applied to remove residual acid. In this study, we aimed to find better ways to clean the acid residues on the implant surface. We created 2 groups of 20 implants in our study. Micro arc oxidation was applied with sulfuric acid in 2 groups and then washed with distilled water in a 180-watt ultrasonic cleaner. One group of implants was washed with pure water only, and the other group was washed with pure water and chemically neutralized. Sodium Bicarbonate 10% solution was prepared and washed for neutralization; the second group was kept in this solution for 10 minutes and washed with distilled water again. The implants in both groups were placed in 10cc ph7 distilled water and left for one day. After one day, the liquids were measured with a digital pH meter. In the measurement of the water in the group that was washed only with pure water, the average pH was 6.8, while the average pH of the water in the other group was 7. Our study concluded for the first time that basic neutralization on the implant surface could neutralize the acid residue in the microwells. We recommend chemical neutralization in implant manufacturing processes and think it can reduce implant failure rates.
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Reports on the topic "Dental implant"

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Dioguardi, Mario. Guided dental implant Surgery: Systematic Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, November 2022. http://dx.doi.org/10.37766/inplasy2022.11.0098rrr.

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Vélez, Rómulo Andrés, Alejandro Fereño Caceres, Wilson Daniel Bravo Torres, Daniela Astudillo Rubio, and Jacinto José Alvarado Cordero. Primary stability with the osseodensification drilling technique for dental implants in low density bone in humans: a systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, September 2022. http://dx.doi.org/10.37766/inplasy2022.9.0066.

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Review question / Objective: - Does the osseodensification drilling technique increase primary stability in low-density bone? - The aim of the present investigation was to evaluate primary stability in dental implants in people with low density bone using the osseodensification technique. Condition being studied: The replacement of missing teeth through dental implants is currently the most practiced in dental clinics. The main criterion for determining the success of an implant is osseointegration, which is a direct structural and functional connection between vital bone and the prosthetic load-bearing surface of an implant. In the same way, primary stability must be obtained for a good lasting clinical result of the implant and to achieve this purpose, the bone density must be evaluated where the dental implant is to be placed. Salah Huwais in 2013 introduced a new osteotomy procedure (Oseodensification) for site preparation without removal and bone preservation. The Osseodensification process produces an autograft layer around the implant with the osteotomy surface, the autologous bone comes into contact through an endosteal device that accelerates osseointegration due to the nucleation of osteoblasts in the instrumented bone adjacent to the implant and has a greater primary stability due to contact between the device and the bone.
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López-Valverde, Nansi, Javier Aragoneses, Antonio López-Valverde, Cinthia Rodríguez, and Juan Manuel Aragoneses. Role in the osseointegration of titanium dental implants, of bioactive surfaces based on biomolecules: A systematic review and meta-analysis of in vivo studies. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, June 2022. http://dx.doi.org/10.37766/inplasy2022.6.0076.

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Review question / Objective: Does the bioactive surface of titanium dental implants, based on biomolecules, influence osseointegration?. The aim of our study was to evaluate the role and efficacy of bioactive surfaces in osseointegration. Our review study limited the research interest to titanium dental implants coated with a biomolecule, i.e., an organic molecule produced by a living organism. Condition being studied: In recent years, much attention has been paid to topographical modifications of dental implant surfaces, as well as to their coating with biologically active substances.a bioactive surface is one capable of achieving faster and higher quality osseointegration, shortening waiting times and solving situations of poor bone quality. Molecules that can be applied for bioactive purposes include bioceramics, ions and biomolecules. Collagen and bone morphogenetic protein have been suggested as bone stimulating agents. Biofunctionalization of the implant surface with a biomimetic active peptide has also been shown to result in a significant increase in bone-to-implant ratios and an increase in peri-implant bone density.
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SAINI, RAVINDER, AbdulKhaliq Alshadid, and Lujain Aldosari. Investigation on the application of artificial intelligence in prosthodontics. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, December 2022. http://dx.doi.org/10.37766/inplasy2022.12.0096.

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Review question / Objective: 1. Which artificial intelligence techniques are practiced in dentistry? 2. How AI is improving the diagnosis, clinical decision making, and outcome of dental treatment? 3. What are the current clinical applications and diagnostic performance of AI in the field of prosthodontics? Condition being studied: Procedures for desktop designing and fabrication Computer-aided design (CAD/CAM) in particular have made their way into routine healthcare and laboratory practice.Based on flat imagery, artificial intelligence may also be utilized to forecast the debonding of dental repairs. Dental arches in detachable prosthodontics may be categorized using Convolutional neural networks (CNN). By properly positioning the teeth, machine learning in CAD/CAM software can reestablish healthy inter-maxillary connections. AI may assist with accurate color matching in challenging cosmetic scenarios that include a single central incisor or many front teeth. Intraoral detectors can identify implant placements in implant prosthodontics and instantly input them into CAD software. The design and execution of dental implants could potentially be improved by utilizing AI.
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Lestari, Feby Ayu, Aisyah Novianti, Ninuk Hariyani, Alexander Patera Nugraha, and Kaushik Sengupta. The Osseointegration Effects of Surface Modification Treatment on PEEK Dental Implant. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, January 2024. http://dx.doi.org/10.37766/inplasy2024.1.0017.

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Martins, Rodrigo, Marcus Cintra, Breno Altino, and Fernando Lima. Does the graft biomaterial influence the time of dental implant placement? INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, February 2024. http://dx.doi.org/10.37766/inplasy2024.2.0096.

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Rahmaputri, Annisa, Naila Mufidah, Ninuk Hariyani, Alexander Patera Nugraha, Kaushik Sengupta, Arief Cahyanto, Austi Meizarini, and Kamal Hanna. Surface Modification for Enhancing Titanium Dental Implant Osseointegration : A Systematic Review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, May 2024. http://dx.doi.org/10.37766/inplasy2024.5.0006.

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AlBakri, Aref, Auswaf Ahsan, Manoj Vengal, KR Ashir, Abdul Majeed, and Hanan Siddiq. Antibiotic Prophylaxis before Invasive Dental Procedures for Patients at High-Risk of Infective Endocarditis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, July 2022. http://dx.doi.org/10.37766/inplasy2022.7.0011.

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Review question / Objective: The aim of the present systematic review and meta-analysis is to determine whether there is a genuine clinical need for Antibiotic Prophylaxis(AP) for the prevention of Infective Endocarditis(IE) in high-risk individuals (particularly those with demonstrable structural heart diseases or valve surgery) undergoing invasive dental procedures. Information sources: PubMed, Science Direct, British Dental Journal and Cochrane Register of Controlled Trials. Search terms used included various combinations of the following subject headings and title or abstract keywords – prophylactic antibiotics, antibiotic prophylaxis, antimicrobial, dentist, extraction, implant, infective endocarditis, or bacterial endocarditis.
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Zhou, Libo, Yiming Wang, Weiwei Teng, and Yucheng Su. Accuracy of Dental Implant Robot: A Systematic Review and Meta-Analysis of Clinical and In Vitro Studies. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2024. http://dx.doi.org/10.37766/inplasy2024.4.0030.

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Moraschini, Vittorio, Suelen Sartoretto, Ingrid Kischinhevsky, Monica Calasans-Maia, and Vinicius Correa-Silva. The role of dental implant location on the prevalence of peri-implantitis: a systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2021. http://dx.doi.org/10.37766/inplasy2021.4.0101.

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