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Brazilian Dental Science
Article . 2010 . Peer-reviewed
Data sources: Crossref
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Brazilian Dental Science
Article
License: CC BY
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Analysis of implant/abutment marginal fitting

Authors: Mariana Pimentel Guimarães; Renato Sussumu Nishioka; Marco Antonio Bottino;

Analysis of implant/abutment marginal fitting

Abstract

O índice de sucesso dos implantes osseointegrados gira em torno de 90%. Apesar de se conhecer bem os mecanismos da osseointegração ainda ocorrem falhas nos sistemas de implantes. Pesquisas recentes atribuem essas falhas, principalmente, à reabilitação protética do paciente. O desajuste entre a base do implante e o pilar protético e a falta de adaptação passiva entre a prótese e os pilares podem levar a fraturas tanto dos componentes protéticos quanto do parafuso do pilar ou do próprio implante; pode também levar à distribuição inadequada das forças ao osso de suporte, acúmulo de bactérias e até mesmo à perda da osseointegração. A natureza da perda ou deslocamento das próteses é complexa, envolvendo fatores como: material do pilar protético, tipo de encaixe, grau de conicidade, precisão de usinagem dos componentes do sistema, fadiga, penetração de fluidos bucais, variedades de mastigação, dentre outros. Considerando a importância de uma longevidade maior dos implantes osseointegrados e da necessidade de se obter a melhor adaptação possível entre base do implante e pilar protético, esse trabalho realizou uma revisão da literatura sobre a importância do perfeito ajuste entre esses dois componentes, suas implicações biomecânicas, funcionais, biológicas e clínicas e ainda, levantar os diferentes métodos para estudo dessa interface de união.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold