Gotowe bibliografie tematyczne / Osseointegrated dental implants

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Gotowa bibliografia na temat „Osseointegrated dental implants”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 21 lutego 2023

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Artykuły w czasopismach na temat "Osseointegrated dental implants"

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Leite, Andressa Rosa Perin, Danny Omar Mendoza Marin, Gabriela Giro, Ana Carolina Pero, Ligia Antunes Pereira Pinelli i 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 "Custom Cast Ball Attachments Used on Outdated Implants to Restore a Maxillary Implant-Supported Overdenture".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, nr 4 (1.08.2017): 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The lack of compatible prosthetic components can be a complication during oral rehabilitation using outdated implants.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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Albrektsson, T., T. Jansson i U. Lekholm. "Osseointegrated Dental Implants". Dental Clinics of North America 30, nr 1 (styczeń 1986): 151–74. http://dx.doi.org/10.1016/s0011-8532(22)02100-0.

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Singh, Preetinder. "Understanding Peri-implantitis: A Strategic Review". Journal of Oral Implantology 37, nr 5 (1.10.2011): 622–26. http://dx.doi.org/10.1563/aaid-joi-d-10-00134.

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The high survival rate of osseointegrated dental implants is well documented, but it is becoming increasingly clear that successfully integrated implants are susceptible to disease conditions that may lead to loss of the implant. Although placement and restoration usually are included in the domain of the periodontal, oral and maxillofacial surgery, or prosthetic specialist, given the increasing numbers of patients treated with osseointegrated fixtures, it is increasingly likely that maintenance of these implants by the general dentist will become much more common. However, the surrounding tissues may be subject to inflammatory conditions similar to periodontal disease and so require maintenance. This article discusses the background, cause, and diagnosis of peri-implant disease, as well as the maintenance, care, and treatment of peri-implant infection in osseointegrated implants.
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Borba, Alexandre Meireles, Daniel Falbo Martins Souza, Mariana Aparecida Brozoski, Rafael Augusto Burim, Maria da Graça Naclério-Homem i Maria Cristina Zindel Deboni. "Can the Use of Antibiotics interfere with the Success of Dental Osseointegrated Implants in Diabetic Patients?" Journal of Contemporary Dental Practice 14, nr 6 (2013): 1197–201. http://dx.doi.org/10.5005/jp-journals-10024-1476.

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ABSTRACT Aim The present review aims to discuss the last 10 years published data on the topic of the use of osseointegrated implants in diabetic subjects, particularly regarding the influence of antibiotics administration in the perioperative period. Background In the last decades, oral rehabilitation significantly has evolved particularly with the use of osseointegrated implants. Increased life expectation of population is reflecting in a greater number of diabetic patients who might require dental osseointegrated implants rehabilitation. Diabetes was considered for a long time as a contraindication for oral implant placement. In this context, the use of antibiotics is still a controversial factor when we correlate it to implant success rate. Review results Although 228 articles were initially selected for evaluation of proposed criteria, only 16 articles were considered valid. Among the 16 selected articles, only six articles represented clinical research that discussed the influence of the antibiotic in the success of osseointegration of dental implants in diabetic subjects. Five were retrospective studies and one a prospective research. Conclusion Data favors the use of antibiotics without significant side effects but clinical investigations of the need of prophylaxis antibiotic or therapeutic antibiotics are still scarce. The lack of adequate methodology is one of the main problems of the current articles. It is important to emphasize that studies should present detailed methodology in order to allow reproducibility. Clinical significance Permanent tooth loss is a pathological condition that affects millions of people worldwide. The possibility of successful treatment of edentulous areas through osseointegrated implants in those systemic compromised patients is a matter of scientific discussion. Although antimicrobial agents must be used rationally and carefully to avoid development of bacterial resistance, more studies are needed in order to support evidence regarding the influence of antibiotics in the success of dental implant surgery in diabetic patients. How to cite this article Borba AM, Souza DFM, Brozoski MA, Burim RA, da Graça Naclério-Homem M, Deboni MCZ. Can the Use of Antibiotics interfere with the Success of Dental Osseointegrated Implants in Diabetic Patients? J Contemp Dent Pract 2013;14(6):1197-1201.
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Sahl, Erik, Ali Alqahtani, Nasser M. Alqahtani i Fabrice Gallez. "Partial Explantation of Failed Dental Implants Placed in Mandibular Canal: A Case Report". Journal of Oral Implantology 44, nr 6 (1.12.2018): 456–61. http://dx.doi.org/10.1563/aaid-joi-d-17-00304.

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One of the most important concerns during posterior mandibular implant placement is avoiding the mandibular canal. Nerve injury can be very disturbing to the patient, possibly causing mild paresthesia to complete anesthesia. Explantation of a dental implant that gas violated the mandibular canal is the most recommended treatment. However, an osseointegrated implant that placed in the mandibular canal can be left if the patient shows no symptoms. In this case report, we describe a technique to maintain the apexes of the implants while partially removing fractured osseointegrated implants previously placed in the mandibular canal.
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Grieznis, Linards, Peteris Apse i Leons Blumfelds. "Tactile Sensibility of Natural Teeth and Osseointegrated Dental Implants to Loading". Acta Chirurgica Latviensis 15, nr 1 (1.04.2015): 58–62. http://dx.doi.org/10.1515/chilat-2016-0011.

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SummaryIntroduction. Dental implant therapy has become a popular method of replacing one or more missing teeth. Osseointegrated dental implants have been studied from histological, microbiologic and biomechanical point of view, but the neurophysiologic integration of the implants and the supported prostheses has received less attention. The sensory mechanism of dental implants is qualitatively different from that of natural teeth. Psychophysiological tests are used to determine the tactile sensibility perceived with the implants and teeth.Aim of the study. The purpose of this study was to compare tactile sensibility of natural teeth and osseointegrated dental implants.Material and methods. Forty-three patients were included in the study. Natural teeth were divided into two groups: non endodontically treated teeth (NETT) and endodontically treated teeth (ETT). Load tests were done by a computer-controlled pressure sensitive device („Power Lab“ Data Acquisition System - model 4/25T, sensor - model MLT003/D; ADInstruments), specially modified for intraoral use. Pushing forces were applied parallel to the vertical axis of teeth and implants. The patient held a signal button which he/she activated as soon as touch was sensed. At this moment the computer registered passive absolute tactile threshold - measured in Newtons. The mean values of passive absolute tactile threshold for natural teeth and dental implants were calculated. Comparison of the mean values was performed by the means of t-test.Results. Passive absolute tactile threshold for osseointegrated dental implants was 2.39 N (SD=1.92), and for teeth - 0.67 N (SD=0.72), for non endodontically treated teeth it was 0.63 N (SD=0.72) and for endodontically treated teeth - 0.73 N (SD=0.69). The differences in mean values were statistically significant (p<0,0001) except for mean values of NETT vs. ETT.Conclusion. This study shows that patients with osseointegrated implants subjectively feel “touch” sensation when greater force is applied compared with natural teeth.
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McEwen, Donna R., Maria M. Sanchez i Pearl M. Goode. "Dental Restorations Using Titanium Osseointegrated Dental Implants". AORN Journal 62, nr 2 (sierpień 1995): 187–205. http://dx.doi.org/10.1016/s0001-2092(06)63651-x.

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Deepika, Kumari, Atul Bhatnagar i Rekha Gupta. "Osseointegrated Implants and Osseoperception - A Review". JOURNAL OF MULTIDISCIPLINARY DENTAL RESEARCH 8, nr 1 (8.07.2022): 38–43. http://dx.doi.org/10.38138/jmdr/v8i1.21.17.

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There are many studies suggest that a peripheral feedback pathway can be restored with osseointegrated implants even after tooth loss. This implant mediated sensory-motor control, known as osseoperception may have important clinical implications in improving masticatory function with implant supported prosthesis. To understand this psychophysical integration of implants, available literature was evaluated using various online resources such as Pubmed, Google scholar, etc. using keywords like “osseoperception”, tactile sensibility, implant mediated sensory-motor control and mechanoreceptors. The long-term integration of an implant-bone restoration depends in part on optimal load distribution on the bearing tissue. Because natural teeth and implants vary in their anchorage mechanisms so there is a fundamental difference in the perception and control of the loading. The current review of literature deals with these issues and has been summarized under following heads: • Mechanism of osseoperception • Neurophysiological and psychophysical methods of assessing phenomenon of osseoperception • Mechanoreceptors contributing to osseoperception • Different concepts of osseoperception Keywords: ­ Osseointegration, osseoperception, active threshold, passive threshold, dental implant
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Kim, David M., Marc L. Nevins, Zhao Lin, Ardavan Fateh, Soo-Woo Kim, Peter Schupbach i Myron Nevins. "The Clinical and Histologic Outcome of Dental Implant in Large Ridge Defect Regenerated With Alloplast: A Randomized Controlled Preclinical Trial". Journal of Oral Implantology 39, nr 2 (1.04.2013): 148–53. http://dx.doi.org/10.1563/aaid-joi-d-12-00242.

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A basic tenant of successful osseointegration is that the implant resides in a sufficient quality and quantity of bone to ensure bone contact and thus stabilization. A prospective, randomized controlled preclinical trial was conducted to evaluate the bone-to-implant contact (BIC) when placing implants in bone regenerated by 3 different combinations of biphasic calcium phosphate (BCP). Dental implants were placed into the regenerated ridges of 6 female foxhounds; the ridges were reconstructed with different formulations of BCP in combination with an hydroxyapatite collagen membrane. They were retrieved after 3 months to perform light microscopic and histomorphometric analyses. Implants in each group appeared to be stable and osseointegrated. Light microscopic evaluation revealed tight contacts between the implant threads with the surrounding bone for all 4 groups. The mean BIC ranged from 64.7% to 73.7%. This preclinical trial provided clinical and histologic evidence to support the efficacy of all 3 formulations of BCP to treat large alveolar ridge defects to receive osseointegrated dental implants.
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Prakash, Poonam, i Ambika Narayanan. "Biomechanics in dental implants". IP Annals of Prosthodontics and Restorative Dentistry 7, nr 3 (15.09.2021): 131–36. http://dx.doi.org/10.18231/j.aprd.2021.028.

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Achieving primary stability in dental implants is crucial factor for accomplishing successful osteointegration with bone. Micro-motions higher than the threshold of 50 to 100 μm can lead to formation of fibrous tissue at the bone-to-implant interface. Therefore, osteointegration may be vitiated due to insufficient primary stability. Osseointegration is defined as a direct and functional connection between the implant biomaterial and the surrounding bone tissue. Osseointegration development requires an initial rigid implant fixation into the bone at the time of surgery and a secondary stage of new bone apposition directly onto the implant surface. Dental implants function to transfer the load to the surrounding biological tissues. Due to the absence of a periodontal ligament, its firm anchorage to bone, various forces acting on it and the presence of prosthetic components, they share a complex biomechanical relationship. The longevity of these osseointegrated implants depend on optimizing these complex interactions. Hence, the knowledge of forces acting on implant, design considerations of implant and bone mechanics is essential to fabricate an optimized implant supported prosthesis.
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Rozprawy doktorskie na temat "Osseointegrated dental implants"

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Morgan, M. Jane. "Structural analysis of an osseointegrated dental implant system". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ28023.pdf.

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Habsha, Effrat. "Survival of osseointegrated dental implants in smokers and non-smokers". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0019/MQ53413.pdf.

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Barão, Valentim Adelino Ricardo [UNESP]. "Avaliações biomecânicas e biológicas relacionadas às próteses implanto-suportadas e aos implantes osseointegrados". Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/105565.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Objetivos: (1) Investigar o papel de diferentes níveis de pH da saliva artificial (3; 6,5 e 9) no comportamento corrosivo do titânio comercialmente puro (cp-Ti) e da liga Ti-6Al-4V (Capítulo 1); (2) Avaliar a influência do processo de corrosão na afinidade do lipopolissacarídeo (LPS) de Escherichia coli para o cp-Ti e o Ti-6Al-4V (Capítulo 2); (3) Investigar a natureza tribocorrosiva do titânio em saliva artificial em presença de LPS (Capítulo 3); (4) Comparar o efeito de diferentes designs de overdentures implanto-retidas e prótese total fixa implanto-suportada na distribuição de tensões em mandíbula edêntula pelo método de elementos finitos tridimensional (Capítulo 4). Materiais e métodos: Testes eletroquímicos como potencial de circuito aberto, espectroscopia de impedância eletroquímica, e teste potenciodinâmico foram conduzidos. Para o teste de afinidade ao LPS, os espécimes foram tratados com LPS (1,5; 15 e 150 μg/ml) durante 24 horas para avaliar a aderência de LPS. Os discos foram transferidos a cada 24 horas para solução fresca de água livre de LPS até completar 72 horas, para investigar a liberação de LPS. No teste de tribocorrosão, o pH da saliva (6,5), a concentração de LPS (0, 0,15, 15 and 150 μg/ml), a duração do deslizamento (2000 ciclos), freqüência (1,2 Hz) e carga (20 N) foram usados para mimetizar o processo mastigatório. Finalmente, modelos tridimensionais de uma mandíbula edêntula foram construídos. No grupo OR a mandíbula foi restaurada com overdenture retida por implantes não esplitados com sistema de retenção O’ring; nos grupos BC-C e BC as mandíbulas foram restauradas com overdentures retidas por implantes esplintados com sistema de retenção barra-clipe associado ou não a cantilevers distais...
Objectives: (1) To investigate the role of different levels of pH of artificial saliva (pHs 3, 6.5 and 9) under simulated oral environment on the corrosion behavior of commercially-pure titanium (cp-Ti) and Ti-6Al-4V alloy (Chapter 1); (2) To assess the influence of corrosion process on Escherichia coli lipopolysaccharide (LPS) affinity for cp-Ti and Ti-6Al-4V alloy (Chapter 2); (3) To evaluate the tribocorrosive (corrosion/wear) nature of titanium in artificial saliva (pH 6.5) with LPS (Chapter 3); and (4) To compare the effect of different designs of implant-retained overdentures and fixed full-arch implant-supported prosthesis on stress distribution in edentulous mandible by using a three-dimensional finite element analysis. Materials and methods: Standard electrochemical tests, such as open circuit potential, electrochemical impedance spectroscopy, and potentiodynamic tests were conducted in a controlled environment. For LPS affinity test, specimens were treated with LPS (1.5, 15 and 150 μg/ml) for 24 hours to evaluated LPS adherence. Discs were then transferred every 24 hours to fresh LPS-free water, up to 72 hours, to investigate LPS elution. In the tribocorrosion test, the pH of saliva (6.5); LPS concentration (0, 0.15, 15 and 150 μg/ml), sliding duration (2000 cycles), frequency (1.2Hz) and load (20 N) parameters mimicked the mastication process. Finally, tridimensional models of an edentulous mandible were constructed. In the OR group, the mandible was restored with an overdenture retained by unsplinted implants with O’ring attachment; in the BC-C and BC groups, the mandibles were restored with overdentures retained by splinted implants with bar-clip anchor associated or not with distally placed cantilevers, respectively; in the FD group, the mandible was restored with a fixed full-arch implant-supported prosthesis... (Complete abstract click electronic access below)
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Caneva, Marco [UNESP]. "Influência de implantes pós-exodônticos com diferentes configurações sobre os tecidos peri-implantares: estudo experimental em cães". Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/103315.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Objetivo: avaliar a influência da instalação de implantes em alvéolos imediatamente após a extração do elemento dental na regeneração dos tecidos peri-implantares com implantes de diferentes configurações Material e métodos: Nos alvéolos distais dos quartos pré-molares mandibulares de cães, imediatamente após as extrações das raízes dentais, foram instalados implantes cilíndricos com 3,3 mm de diâmetro (grupo controle) e implantes cônicos com 5,0 mm de diâmetro (grupo teste). Foram avaliados histologicamente a regeneração dos tecidos duros e moles peri-implantares após 4 meses do procedimento cirúrgico. Resultados: Todos os implantes apresentaram-se osseointegrados ao tecido ósseo maduro mineralizado. A crista óssea alveolar sofreu reabsorção tanto no grupo teste como controle. A superfície óssea vestibular dos implantes do grupo teste (cônico; 3,6 mm) apresentou maior grau de reabsorção em comparação ao grupo controle (cilíndrico; 1,6 mm). As dimensões dos tecidos moles apresentaram-se semelhantes em ambos os grupos. No entanto, em relação ao ombro do implante, a mucosa peri-implantar localizou-se mais apicalmente no grupo teste em relação ao grupo controle. Conclusão: Este estudo confirmou que a distância entre a superfície do implante e o contorno externo da crista óssea alveolar vestibular influenciou no grau de reabsorção da tábua óssea vestibular. Conseqüentemente, em relação ao ombro do implante, a mucosa peri-implantar será estabelecida em um nível mais apical, se a distância entre a superfície do implante e o contorno externo da crista óssea alveolar for menor
Aim: the aim of the present experiment was to study the influence of implant installation into sockets immediately after tooth extraction on the healing periimplant tissues with implants of various configurations. Material & methods: Transmucosal cylindrical 3.3mm in diameter implants in the control sites, and conical 5.0mm in diameter in the test sites, were installed into the distal socket of the forth mandibular premolars in dogs immediately after tooth extraction. After 4 months, the hard and soft tissue healing was evaluated histologically. Results: All implants were integrated in mineralized mature bone. Both at the test and control sites, the alveolar crest underwent resorption. The buccal bony surface at the implant of the test sites (conical; 3.6mm) was more resorbed compared to the control sites (cylindrical; 1.6mm). The soft tissue dimensions were similar in both groups. However, in relation to the implant shoulder, the periimplant mucosa was located more apically at the test compared to the control sites. Conclusion:The present study confirmed that the distance between the implant surface and the outer contour of the buccal alveolar bony crest influenced the degree of resorption of the buccal bone plate. Consequently, in relation to the implant shoulder, the peri-implant mucosa will be established at a more apical level if the distance between the implant surface and the outer contour of the alveolar crest is small
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Smith, Christopher David. "Prosthodontic maintenance of implant-supported prostheses". Master's thesis, Faculty of Dentistry, 2001. http://hdl.handle.net/2123/4667.

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This work was digitised and made available on open access by the University of Sydney, Faculty of Dentistry and Sydney eScholarship . It may only be used for the purposes of research and study. Where possible, the Faculty will try to notify the author of this work. If you have any inquiries or issues regarding this work being made available please contact the Sydney eScholarship Repository Coordinator - ses@library.usyd.edu.au
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張謙 i Qian Zhang. "Maxillectomy reconstruction by transport distraction osteogenesis". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31243897.

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Odo, Caroline Hanada 1987. "Photoelastic analysis of stress distribution around external hexagon and morse taper implants in different immediate loading systems = Análise fotoelástica da distribuição de tensões ao redor de implantes hexágono externo e cone Morse em diferentes sistemas de carga imediata". [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288288.

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Orientador: Mauro Antônio de Arruda Nóbilo
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Dentre diversos fatores que determinam o sucesso da osseointegração e da reabilitação protética, a biomecânica se destaca como fator fundamental. Utilizando a técnica da fotoelasticidade, o objetivo neste estudo foi avaliar as tensões geradas ao redor de implantes cone morse e hexágono externo osseointegrados após carregamento distal em diferentes técnicas de carga imediata: barra distal, fundição e solda a Laser. Três infraestruturas similares (uma para cada técnica) foram confeccionadas, sobre uma matriz metálica simulando um arco mandibular edêntulo. Cinco implantes foram dispostos de maneira a simular a distribuição clínica para protocolo inferior convencional. Análogos de mini pilares foram fixados na matriz metálica e após procedimento de transferência e obtenção de modelo em gesso especial, foram confeccionadas as infraestruturas protéticas. Estas foram utilizadas em novo procedimento de transferência e posteriormente, instaladas em modelo fotoelástico confeccionado com resina epóxi flexível (GIV, Polipox Indústria e Comércio Ltda - São Paulo - SP - Brasil). Foi realizado um carregamento pontual de 4,9N na região de primeiro molar inferior direito e, posteriormente primeiro molar inferior esquerdo. Foram avaliados cinco pontos pré-determinados ao longo do implante e as imagens foram analisadas no programa Fringes® de maneira qualitativa e quantitativa através da verificação das ordens de franjas ao redor dos implantes osseointegrados. A média dos valores foi submetida à análise de variância para dados com dois fatores de estudo, seguidos pelo teste de Tukey para comparação entre as médias. Os resultados não apresentaram diferença significativa entre as infraestruturas, porém apresentou diferença significativa entre os tipos de conexões. A partir dos resultados obtidos conclui-se que não há diferença na distribuição de tensão entre as técnicas de obtenção de infraestruturas, porém quando observados os tipos de conexão, o implante Cone Morse apresentou melhores resultados em relação à distribuição de tensão
Abstract: The objective of this study was to evaluate the stresses generated around morse taper and external hexagon osseointegrated implants after distal loading in different immediate loading techniques: distal bar, casting and laser welding. Three similar infrastructures (one for each technique) were fabricated on a metal matrix simulating an edentulous mandible arch. Five implants were arranged to simulate the clinical distribution of conventional lower protocol. Analogs of the implants were fixed in a metal matrix and a transfer procedure was made. After obtaining a special plaster model, the prosthetic infrastructures were fabricated. These were used on a new transfer procedure and subsequently installed in a photoelastic model made with flexible epoxy resin (GIV Polipox Industry and Commerce Ltd - São Paulo - SP - Brazil). A load application of 4.9N was performed at the region of lower right first molar and subsequently lower left first molar. Five predetermined points along the implant were evaluated and the images were analyzed in Fringes ® program in qualitative and quantitative way by checking the orders of the fringes around the dental implants. The mean values were statistically analyzed using a 2-Way analysis of variance and Tukey test. The results showed no significant difference between the infrastructure obtaining techniques, but significant difference was seen between the types of connection. From the results obtained it is concluded that the Morse taper implant showed better results in terms of stress distribution
Mestrado
Protese Dental
Mestra em Clínica Odontológica
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Fitzgibbon, Daniel Nathan, i n/a. "Assessment and comparison of osseointegration in conventionally and immediately restored titanium implants in a sheep model". University of Otago. School of Dentistry, 2008. http://adt.otago.ac.nz./public/adt-NZDU20081201.161832.

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Objectives: The present work was under taken to compare osseointegration of immediately and delayed restored implants in a sheep model, and to compare methods of assessing osseointegration. Methods: Twenty wide-platform implants were placed in the posterior mandibles of 10 sheep, 3 months after premolar extractions. Ten were control implants placed and restored after 3 months of submerged healing. Ten were test implants placed contralaterally and immediately restored. Animals were sacrificed after a further 3 months of healing. At each experimental stage implant stability was measured with resonance frequency analysis (RFA) and standardized radiographs were taken. Tissue blocks with the implants were embedded in acrylic resin. The specimens were analysed by three-dimensional micro tomogram (micro-CT) images. Ground sections of the tissue blocks were then prepared for light microscopy and quantitative morphometry. Morphometric parameters computed by both methods were mean percent bone-to-implant contact (BIC) and mean percent bone density (BD). Radiographic, stability and morphometric measurements were compared statistically. Results: The survival rate was 60% (controls) versus 40% (test) (p=0.28). Mean crestal bone levels after three months restoration did not differ significantly between control (5.54 � 0.92) and test groups (4.35 � 1.61) (p=0.56). All surviving implants were stable at stage three and RFA values in implant stability quotient (ISQ) did not differ significantly between the two groups (test 82.3 � 3.9 versus control 78.8 � 4.3, p=0.36). No correlation was found between crestal bone loss and RFA (Spearman�s rho =-0.27, p=0.46). Histomorphometric analysis found no statistical difference (%BIC test 65.65 � 12.7%, control 53.36 � 6.41%, p=0.18; and %BD test 54.84 � 8.45%, control 64.69 � 13.57%, p=0.11). A similar trend was observed for mean micro-CT (%BIC test 65.72 � 72, control 50.84 � 4.19, p=0.11). Histology revealed high density inflammatory infiltrates beneath the sulcular and pocket epithelium. No significant difference was found between histomorphometric (HMA) and microCT analysis (%BIC p=0.08, %BD p=0.08). A statistically significant correlation was observed between HMA and microCT for %BIC (Spearman�s rho = 0.89, p=0.02) but not %BD (Spearman�s rho = 0.51, p=0.30). Conclusions: The results suggest that the sheep mandibular model has limited potential for evaluation of implants designed for poor quality bone and for the assessment of implant loading protocols. This thesis does highlight the potential for the use of this model in peri-implantitis studies. The results suggest that morphometric variables determined by HMA and microCT analysis are comparable, however further studies are required to standardize the microCT protocol to reduce metal artifacts and enhance bone-implant contrast.
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Moraes, Paulo Hemerson de 1982. "Rehabilitation of fully edentulous maxilla = retrospective survival analysis of dental implants in native x autogenous bone and proposed technique for bone reconstruction with rhBMP-2 = Reabilitações de maxilas totalmente edêntulas: análise retrospectiva de sobrevida de implantes dentários em osso nativo x enxerto autógeno e proposta de técnica para reconstrução óssea com rhBMP-2". [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289417.

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Orientador: José Ricardo de Albergaria Barbosa
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
Made available in DSpace on 2018-08-24T03:15:23Z (GMT). No. of bitstreams: 1 Moraes_PauloHemersonde_D.pdf: 8285563 bytes, checksum: e294a6dc0647058066633e61386f29b1 (MD5) Previous issue date: 2013
Resumo: Em maxilas severamente absorvidas, como tratamento de reabilitação, podem ser utilizados os implantes dentais osseointegráveis convencionais. Todavia, nestas situações, estão presentes obstáculos para a instalação dos implantes como: quantidade insuficiente e qualidade inadequada do osso encontrado na maxila. Nestas situações, são necessárias cirurgias reconstrutivas para restabelecer as dimensões do rebordo avelolar em espessura e altura possibilitando assim a instalação adequada destes implantes. Geralmente, essas reconstruções utilizam osso autógeno retirado de algum sitio doador do paciente, como a calota craniana, costela e crista do ilíaco. Alternativamente, com os avanços da engenharia tecidual, a rhBMP-2 (recombinant human bone morphogenethic protein-2) surgiu eliminando a necessidade de qualquer remoção de sítio doador como também qualquer outro biomaterial nas reconstruções ósseas dos maxilares deixando o procedimento com menor morbidade e maior aceitabilidade dos pacientes. Desta forma, a presente pesquisa apresenta 2 estudos descritos nos capítulos a seguir. CAPÍTULO 1: O objetivo deste estudo foi avaliar a sobrevida de implantes instalados em osso nativo de maxilas como também nas reconstruídas com osso autógeno. Foi obtido um acompanhamento de 8-10 anos com pacientes de ambos os grupos reabilitados com próteses fixas sobre implantes dentais. O sucesso dos implantes em maxilas reconstruídas com ósso autogeno não apresentaram diferenças estatísticas à implantes inseridos em maxilas com osso nativo. CAPÍTULO 2: O objetivo deste estudo foi apresentar uma nova técnica de reconstrução óssea de maxila utilizando rhBMP-2 objetivando previsibilidade e melhores resultados no aumento do volume ósseo necessário. A técnica sugerida ofereceu bons resultados no volume ósseo a ser obtido nas reconstruções ósseas de maxila com rhBMP-2.
Abstract: In maxillary severely absorbed as rehabilitation treatment, can be used conventional dental implants. However, these situations are present obstacles to the installation of the implants as insufficient and inadequate quality of bone found in the jaw , as well as the expansion of the maxillary sinus pneumatization . In these situations, it is necessary reconstructive surgery to restore the dimensions of thickness and height on rim thus allowing proper installation of these implants. Generally, these reconstructions using autogenous bone taken from a donor site from the patient , such as calota craneal , rib and the iliac crest . Alternatively, with advances in tissue engineering, rhBMP-2 (recombinant human bone morphogenethic protein-2) appeared eliminating the need to remove any donor site as well as any other biomaterial in the maxila bone reconstruction procedure with leaving the lower morbidity and higher patient acceptability. Given the above, this research presents two studies described in the following chapters. CHAPTER 1: The objective of this study was to evaluate the survival of implants placed in native bone in the maxilla as well as in maxilla reconstructed with autogenous bone. We obtained a follow-up of 8-10 years with both groups of patients rehabilitated with fixed prostheses on dental implants. The survival of implants in maxilla was reconstructed with autogenous bone implants inserted into the lower maxilla with native bone. CHAPTER II: The objective of this study was to present a new technique for reconstruction of maxilla bone using rhBMP-2 seeking precision in increased bone volume needed. The suggested technique offered precision in bone volume to be obtained in the maxilla bone reconstruction with rhBMP-2.
Doutorado
Cirurgia e Traumatologia Buco-Maxilo-Faciais
Doutor em Clínica Odontológica
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Guben, Tamara Heidi. "Bone quality in osseointegration : a biomechanical study, using the rat tibia, and clinical evaluation". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0004/MQ44175.pdf.

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Książki na temat "Osseointegrated dental implants"

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Beumer, John. The Branemark implant system: Clinical and laboratory procedures. St. Louis: Ishiyaku EuroAmerica, 1989.

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Habsha, Effrat. Survival of osseointegrated dental implants in smokers and non-smokers. [Toronto: Faculty of Dentistry, University of Toronto], 2000.

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Habsha, Effrat. The impact of cigarette smoking on the survival of osseointegrated dental implants. [Toronto: University of Toronto, Faculty of Dentistry], 1998.

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J, Stevens Patrick, i Gress Maurice L, red. Implant prosthodontics: Clinical and laboratory procedures. St. Louis, Mo: Mosby-Year Book, 1994.

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1928-, Laney William R., i Tolman Dan E, red. Tissue integration in oral, orthopedic, and maxillofacial reconstruction: Proceedings of the Second International Congress on Tissue Integration in Oral, Orthopedic, and Maxillofacial Reconstruction, Mayo Medical Center, Rochester, Minnesota, September 23-27, 1990. Chicago: Quintessence Pub. Co., 1992.

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Removable partial dentures on osseointegrated implants: Principles of treatment planning and prosthetic rehabilitation in edentulous mandible. Chicago: Quintessence, 1998.

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Zahnärztliche Implantologie: Wissenschaft und Praxis. Berlin: Quintessenz, 1986.

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Taylor, Ross L. Laboratory techniques for the Brånemark System. Chicago: Quintessence Pub. Co., 1990.

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International, Congress on Tissue Integration in Oral and Maxillofacial Reconstruction (3rd 1996 Tokyo Japan). Third International Congress on Tissue Integration in Oral and Maxillofacial Reconstruction: Proceedings of the Third International Congress on Tissue Integration in Oral and Maxillofacial Reconstruction, November 1996, Tokyo. Tokyo: Quintessence Pub. Co., 1999.

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G, Steven Lewis, red. The SMILINE system: Esthetic abutment components for fixed bridge and single tooth restorations. [San Antonio, Tex.]: S.M. Parel, 1991.

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Części książek na temat "Osseointegrated dental implants"

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Heimke, Günther, i Cornelius G. Wittal. "Osseointegrated Dental Implants". W Biomaterials Engineering and Devices: Human Applications, 67–92. Totowa, NJ: Humana Press, 2000. http://dx.doi.org/10.1007/978-1-59259-197-8_5.

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Freest, Charles F., i Daniel A. Savett. "Longevity of Osseointegrated Dental Implants†". W Clinical Perfomance of Skeletal Prostheses, 237–54. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-011-0541-5_14.

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Waguespack, Dennis E., i Brian C. Butler. "Implant naturalization: restoring osseointegrated dental implants with damaged platforms and connections". W 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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Dhima, Matilda, Vladimira Paulusova, Christine Lohse, Thomas J. Salinas i Alan B. Carr. "Practice-Based Evidence from 29-Year Outcome Analysis of Management of the Edentulous Jaw Using Osseointegrated Dental Implants". W Journal of Prosthodontics on Dental Implants, 121–30. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119115397.ch14.

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Ricotta, Vito, Tommaso Ingrassia, Vincenzo Nigrelli i Marco Zicari. "A New Approach to Evaluate the Biomechanical Characteristics of Osseointegrated Dental Implants". W Lecture Notes in Mechanical Engineering, 801–11. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-31154-4_68.

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"52 Mandibular Reconstruction and Osseointegrated Dental Implants". W Facial Plastic and Reconstructive Surgery, redaktorzy Ira D. Papel, John L. Frodel, G. Richard Holt, Wayne F. Larrabee, Nathan E. Nachlas, Stephen S. Park, Jonathan M. Sykes i Dean M. Toriumi. Stuttgart: Georg Thieme Verlag, 2016. http://dx.doi.org/10.1055/b-0036-135598.

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Lopes dos Santos, Gabriela, Kaique Preto Alberto, Silas Antonio Juvêncio de Freitas Filho, Kellen Cristine Tjioe i Denise Tostes Oliveira. "Oral Cancer around Dental Implants: Are the Clinical Manifestations and the Oncogenic Mechanisms Unique?" W Oral Health Care [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.101156.

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Osseointegrated implants have been an optimal treatment option for dental rehabilitation of fully or partially edentulous patients. Although peri-implantitis remains as the most common local risk factor for dental implant failure, the development of oral cancer involving the soft tissue around the titanium may lead to early implants loss and impact the quality of life of the patient negatively. Oral squamous cell carcinoma (OSCC) is the most common malignancy among head and neck tumors. It has higher prevalence in men over 50 years old, and in tobacco and/or alcohol users. Unfortunately, oral cancer is often detected in advanced stages, when the treatment options are limited. Thus, OSCC typically has poor prognosis. Despite the recent advances in oral carcinogenesis understanding, the relationship between dental implants and the development of malignant lesions around them is not completely understood. It has been suggested that the titanium corrosion occurring at the top of dental implants causes the release of metal ions. These ions might lead to oral epithelial genetic damage and higher susceptibility of normal mucosa to malignant transformation. The aim of this chapter was to review the clinical characteristics, diagnosis, and the possible carcinogenic mechanisms involved in oral cancer around dental implants.
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Ćelić, Robert, Hrvoje Pezo, Stanislava Senzel i Gracia Ćelić. "The Relationship between Dental Occlusion and “Prosthetic Occlusion” of Prosthetic Restorations Supported by Natural Teeth and Osseointegrated Dental Implants". W Dentistry. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109941.

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The concept of human dental occlusion represents much more than the mere physical contact of the biting surfaces of opposing teeth. It is not a static, unchanging, structural relationship, but rather a dynamic, real, physiological relationship between different tissue systems. It is best defined as the functional relationship between the components of the masticatory system, which includes the teeth, the periodontium, the neuromuscular system, the temporomandibular joints and the craniofacial skeleton. Biologically, occlusion represents a coordinated functional interaction between different cell populations of the masticatory tissue systems that differentiate, model, remodel, destroy and regenerate. When the functional balance of the masticatory system is disturbed or when occlusion is restored by various types of prosthetic restorations, specific goals of occlusal treatment become important, especially today with the rapid insertion of dental implants. The aim of this chapter is to highlight the characteristics of dental occlusion in relation to the characteristics and requirements of ‘prosthetic occlusion’ for different types of prosthetic restorations supported by natural teeth, gingiva, alveolar ridges and dental implants. A particular focus in writing the chapter is the analysis of the scientific literature on the interrelationship between the so-called occlusion concepts and the biomechanical aspects of different types of implant prosthetic restorations.
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"Restorative dentistry 5: dental implants". W Oxford Handbook of Clinical Dentistry, redaktorzy Bethany Rushworth i Anastasios Kanatas, 361–75. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198832171.003.0009.

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Single or multiple dental implants have become a well-accepted method of replacement of missing teeth and their supporting structures. This chapter introduces implantology, with an explanation of the history of dental implants and a discussion regarding the need to replace missing teeth. The key aspects of treatment planning for implants are outlined including assessment of suitability for implant placement, indications, and contraindications. Available implant types are outlined and the risks of implant placement such as failure to osseointegrate, gingival recession, and nerve damage are considered. Basic surgical techniques for implant placement are described including an explanation of healing and integration times. The chapter includes provision, follow-up, and maintenance advice regarding restoration of the dental implant.
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Shatta, Amer, i Sukumaran Anil. "Peri-Implantitis Revisited". W Dentistry. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100293.

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Dental implants have become a well-accepted treatment option for patients with partial or complete edentulism. The long-term success of the endosseous dental implant depends not only on osseointegration, but on the healthy soft tissue interface that surrounds the implant. Peri-implantitis is defined as an inflammatory process affecting the supporting hard and soft tissue around an implant in function, leading to loss of supporting bone. Peri-implant mucositis has been defined as a reversible inflammatory reaction in the peri-implant mucosa surrounding an osseointegrated dental implant. Peri-implant mucositis is assumed to precede peri-implantitis. Data indicate that patients diagnosed with peri-implant mucositis may develop peri-implantitis, especially in the absence of regular maintenance care. However, the features or conditions characterizing the progression from peri-implant mucositis to peri-implantitis in susceptible patients have not been identified. The most common etiological factors associated with the development of peri-implantitis are the presence of bacterial plaque and host response. The risk factors associated with peri-implant bone loss include smoking combined with IL-1 genotype polymorphism, a history of periodontitis, poor compliance with treatment and oral hygiene practices, the presence of systemic diseases affecting healing, cement left behind following cementation of the crowns, lack of keratinized gingiva, and previous history of implant failure There is strong evidence that there is an increased risk of developing peri-implantitis in patients who have a history of severe periodontitis, poor plaque control, and no regular maintenance care after implant therapy. Management of peri-implantitis generally works on the assumption that there is a primary microbial etiology. Furthermore, it is assumed that micro-organisms and/or their by-products lead to infection of the surrounding tissues and subsequent destruction of the alveolar bone surrounding an implant. A combination of surgical, open debridement, and antimicrobial treatment has been advocated for the treatment of peri-implantitis. Surgical intervention is required once a patient has bleeding on probing, greater than 5 mm of probing depth, and severe bone loss beyond that expected with remodeling. Access flaps require full-thickness elevation of the mucoperiosteum, facilitating debridement and decontamination of the implant surface via hand instruments, ultrasonic tips, or lasers. When necessary, surgical procedures may be used in conjunction with detoxification of the implant surface by mechanical devices, such as high-pressure air powder abrasion or laser.
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Streszczenia konferencji na temat "Osseointegrated dental implants"

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Lee, Choongryeong, i Hyun-Yong Jeong. "A Fatigue Test to Assess the Deformation Behavior of Dental Implants". W ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38336.

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A purpose of this paper is to analyze the effects of material properties and design of a jig on fatigue test results of dental implants. An implant fatigue test method is specified in ISO14801 [1], but it is not described well about the fatigue test jig. The jig of ISO14801 has to firmly hold the fixture, and the elastic modulus of the jig should be more than 3 GPa. These requirements are not sufficient enough to represent the dental implant in the jawbone because the fixture is osseointegrated in the jawbone that is made up with the cortical bone and cancellous bone. In this paper three different materials were used for the jig, and two different fixation methods to hold the fixture were examined in several FE (Finite Element) simulations and fatigue tests. From the simulation and test results, the effects of material properties and design of the jig were evaluated in the light of fatigue life of dental implants.
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Ahmadian, Mohammad Taghi, Keikhosrow Firoozbakhsh, Golsa Ghanati i Parsa Ghanati. "The Nonlinear Finite Element Analysis of a Novel Dental Implant With an Interposed Internal Layer Imitating Periodontal Ligament’s Function". W ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-64841.

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Osseointegrated dental implants are deficient in natural periodontal ligaments. It may therefore, disrupts the natural function of implant and leads to excessive stress and strain in jaw bone. Our new proposed implant has the nonlinear internal component which imitates periodontal ligaments function. A nonlinear finite element analysis developed to investigate the efficiency of utilizing this nonlinear internal layer for three conditions of bone implant interface conditions under vertical and horizontal loading conditions. Our results so far indicate that the use of a class of material exhibiting incompressible hyperelastic behaviour as a internal layer can reduce the peak stress deduced from different loads. The mobility of implant supported prosthesis is similar to that of natural tooth and micromotion at the bone-implant interface is decreased for both delayed and immediately loading treatment.
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Kasra, Mehran, i James D. Anderson. "Framework Design for an Orofacial Implant-Supported Prosthesis". W ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0335.

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Abstract Loss of the entire midface leaves few options available for support of the dentition. Total loss of the maxilla bilaterally means that none of the traditional support areas are even partially useful. Surgical reconstruction of the midface is aggressive, and yet problems of support and retention for a dental prosthesis, as well as the facial prosthesis, remain. Osseointegrated implants can provide support and retention utilizing the remaining bones, but the distribution of occlusal forces becomes a concern, given their unfavourable location relative to the opposing dentition. Considerable attention has been given to framework design for intraoral implant-supported prostheses (1) but designs for extraoral framework typically have not been engineered with a view to controlling forces on the individual implants. This work describes the design procedure of such an extraoral framework which was fabricated for an individual. To minimize the possibility of unintentional overloads, consideration of the forces on each of the implants was prominent in design planning.
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Simmons, Craig A., Shaker A. Meguid i Robert M. Pilliar. "Modelling of Mechanically Regulated Tissue Formation Around Bone-Interfacing Implants". W ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-2495.

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Abstract The clinical success of bone-interfacing orthopaedic and dental implants is dependent on adequate fixation of the implant by mechanical interlock with ingrown bone tissue (i.e., functional osseointegration). The rate and reliability with which osseointegration is achieved are influenced by a number of factors, including the surface geometry of the implant (Thomas and Cook, 1985; Simmons et al., 1999). However, the mechanisms by which implant surface geometry influences initial bone formation remain unresolved. Identifying the factors that allow bone-interfacing implants to osseointegrate more rapidly and reliably should lead to improvements in their use and design.
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Öztoprak, Kaan, i Ece Öztoprak. "Investigation of Acid Residue on the Surface of Dental Implants after Different Surface Cleaning Processes". W 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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