Three-Dimensional Finite Element Analysis of Stress Distribution in Zirconia and Titanium Dental Implants.
作者： Camilo Andres Villabona Lopez , Marco Antônio Amorin Vasco , Edwin Ruales , Karin Apaza Bedoya , Cesar Magalhaes Benfatti
DOI: 10.1563/AAID-JOI-D-16-00109
关键词:
摘要: Zirconia has been presented as an alternative biomaterial to titanium, commercially a single-body implant and/or abutment, demonstrating clinically biocompatible favorable results in white and rose esthetics. However, the number of long-term vivo studies mechanical tests evaluating response stress distribution compared with titanium implants is still limited. The aim study was compare principal peak stresses peri-implant bone around zirconia using finite element method. Four groups 3-dimensional models were constructed for tests: G1, external hexagon abutment; G2, G3, implant; G4, implant. Axial oblique loads 100 N at 45° simulated prosthetic crown. showed that decreased by 12% 2 parts axial load 30% obliq...
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