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Volume 8 , Issue 6
November/December 1993
Pages 662-6730

A Method of Selecting the Best Implant Prosthesis Design Option Using Three-Dimensional Finite Element Analysis

Martin Kregzde, MS, Dipl Ing, PE

PMID: 8181829

This report presents a method for determining the optimum arrangement of implants and the optimum scheme of prosthesis splinting using biomechanics and three-dimensional finite element analysis. The three-dimensional finite element structural analysis method was used to determine the distribution of occlusal forces on teeth and dental implants. The results of the analysis showed that force distribution on occlusal surfaces does not change significantly with changes in the scheme of prosthesis splinting or implant positions. The induced stresses in bone are sensitive to the scheme of prosthesis splinting and implant positions. Induced stresses on implants for different schemes of prosthesis splinting and different implant positions varied as much as 1,000%. Therefore, the selection of implant positions and of the scheme of prosthesis splinting is critical for the longevity and stability of an implant prosthesis. (INT J ORAL MAXILLOFAC IMPLANTS 1993;8:662–673.)

Key words: finite element analysis, prosthesis design

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