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European Journal of Prosthodontics and Restorative Dentistry

Biomechanical Methods Applied in Dentistry: A Comparative Overview of Photoelastic Examinations, Strain Gauge Measurements, Finite Element Analysis and Three-dimensional Deformation Analysis

Abstract

Abstract - The aim of this article is to illustrate and discuss current methods applied in the analysis of biomechanical components in dental applications. For illustration purposes, the strain development of a non-passively fitting implant supported fixed restoration was evaluated using the four techniques: photoelastic examination, strain gauge measurements, finite element analysis, and three-dimensional deformation analysis. Photoelastic analysis only allowed for a raw estimation of the strains evoked by superstructure fixation. Quantitative results could be derived from both strain gauge measurements and three-dimensional deformation analysis which could then be used to simulate the loading situation around the supporting implants.

KEY WORDS: Photoelastic examination, Strain gauge, Finite element analysis, Three-dimensional deformation analysis, Biomechanics

Authors

Matthias Karl, Anthony Dickinson, Stefan Holst, Alexandra Holst

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Biomechanical Methods Applied in Dentistry: A Comparative Overview of Photoelastic Examinations, Strain Gauge Measurements, Finite Element Analysis and Three-dimensional Deformation Analysis
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