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Publication
Overload e perda óssea em implantes osteointegrados
| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| PPG_29008 | 290.91 KB | Adobe PDF |
Authors
Advisor(s)
Abstract(s)
Implantes osteointegrados têm sido usados com sucesso para restabelecer função
mastigatória e a estética em pacientes completa ou parcialmente desdentados. Embora
esta forma de reabilitação apresente alta taxa de sucesso, a literatura revela uma
incidência significativa de complicações técnicas.
Muitos dos problemas relacionados com a utilização de implantes no tempo, têm sido
sobretudo atribuídos à sobrecarrega implantar.
O overload pode ser definido como uma carga que excede a capacidade de suporte
biológico do osso e tecidos moles, e mecânica do implante e da sua prótese, resultando
na falha biológica da osteointegração e a falha mecânica dos componentes implantares e
ou da prótese.
O objetivo deste trabalho consiste através de uma revisão bibliográfica narrativa, avaliar
as consequências biológicas do overload num implante já osteointegrado.
Materiais e métodos: A pesquisa foi realizada entre dezembro 2016 e maio 2017
recorrendo ao motor de busca Pubmed. Estudos experimentais animais e humanos,
artigos de revisão e livros escritos em inglês e português. Dos 422 encontrados
utilizamos 77 por se adequarem ao nosso trabalho. Os resultados foram posteriormente
analisados, com o objetivo de avaliar a relação de causa efeito do overload na
osteointegração num implante osteintegrado.
Conclusão: Os resultados são limitados e inconclusivos. Não e possível estabelecer
uma relação causa efeito entre overload e a falha da osteointegração do implante já
osteointegrado.
Osteointegrated implants have been used successfully to restore function fully and partially edentulous patients. Regardless of the high success rate of such dental implants, the literature reveals a significant incidence of technical complications. Many related problems with the use of implants in the time have been attributed to overload. Overload in a biomechanical system may be defined as a condition where excessive chewing forces exert a repeated bending of the implant or mechanical components leading to marginal bone loss and/or mechanical failure. The aim of this search was to assess the biological consequences that overload might have on already osseointegrated oral implants through a systemic narrative screening of the scientific literature. Material and methods: the research was accomplished between December 2016 and May 2017 using the search motor Pubmed. Studies experimental animals and humans, scientific article’s revision, scientific books, written in english and portuguese. Of the found 422 we used 77 for if they adapt to our work. The results were analyzed later, with the aim of evaluating the cause - effect’s relationship of overload in osseointegration of an implante osteointegrated. Conclusion: the results are limited and inconclusive. It is not possible to establish a causal-effect’s relationship between overload and the failure of an implant well osseointegrated.
Osteointegrated implants have been used successfully to restore function fully and partially edentulous patients. Regardless of the high success rate of such dental implants, the literature reveals a significant incidence of technical complications. Many related problems with the use of implants in the time have been attributed to overload. Overload in a biomechanical system may be defined as a condition where excessive chewing forces exert a repeated bending of the implant or mechanical components leading to marginal bone loss and/or mechanical failure. The aim of this search was to assess the biological consequences that overload might have on already osseointegrated oral implants through a systemic narrative screening of the scientific literature. Material and methods: the research was accomplished between December 2016 and May 2017 using the search motor Pubmed. Studies experimental animals and humans, scientific article’s revision, scientific books, written in english and portuguese. Of the found 422 we used 77 for if they adapt to our work. The results were analyzed later, with the aim of evaluating the cause - effect’s relationship of overload in osseointegration of an implante osteointegrated. Conclusion: the results are limited and inconclusive. It is not possible to establish a causal-effect’s relationship between overload and the failure of an implant well osseointegrated.
Description
Keywords
Overload Perda óssea Osteointegração Implante Perda óssea marginal Stress ósseo Overload Bone loss Osseointegration Implant dental Marginal bone loss Bone stress