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70
replacement for an anterior tooth, using non-linear, plain train finite element
analysis. Carbon fibre posts can also be used instead of metal alloy in the
restoration of endodontically treated teeth. The mechanical resistance of carbon
fibre post was evaluated by means of mechanical pull-out tests using FEM (De
Santis et al., 2000).
To sum it up, the fracture behaviour of biological material such as dentine is
complex and is relatively unexplored.
This study aims to investigate some of these issues and develop a better
understanding of this area of research.
The objective of this manual is to compare finite element (FE)
simulations with tensile testing in vitro as well as with clinical observations.
What it is aimed at is to explore the effects of various parameters on stress
distributions and gain an in-depth understanding of the mechanical
performance of the post –core restored endodontically treated teeth.
The experiments were performed in several stages. In the first stage, a three-
dimensional finite element analysis was applied to evaluate the biomechanical
response of dentine to loading. In the second stage, the tensile testing was carried
out. The tensile testing was used to observe the fracture response of dentine
structure during tensile loading. In the third stage a comparison with clinical
observations was drawn.
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