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Type: Artigo
Title: Biomechanical analysis of implant-supported prostheses with different implant-abutment connections
Author: Dayrell, Andreza Costa
Noritomi, Pedro Yoshito
Ferreira Koyama Takahashi, Jessica Mie
Xediek Consani, Rafael Leonardo
Mesquita, Marcelo Ferraz
Fernandes dos Santos, Mateus Bertolini
Abstract: This study evaluated the influence of implant-abutment connections on stress distribution through 3D finite element analysis. Three-dimensional models of an implant-supported fixed prosthesis in the jaw retained by four implants with different connection systems (external hex and Morse taper) were analyzed. External hex connection promoted higher microstrain values, which were concentrated on the cervical region of the distal implants extending into the trabecular bone, while Morse taper connection provided a more even distribution of the microstrain on all implants. Implant-supported fixed prostheses with external hex connections tend to concentrate strain in the distal implants, while Morse taper connection promoted a better situation. On the other hand, there was greater demand on the prosthetic screws and abutments of Morse taper connections than on external hex connections
Subject: Biomecânica
Próteses e implantes
Country: Estados Unidos
Editor: Quintessence
Rights: Aberto
Identifier DOI: 10.11607/ijp.4258
Date Issue: 2015
Appears in Collections:FOP - Artigos e Outros Documentos

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