Patient-specific finite element analysis of viscoelastic masticatory mucosa.
Identifieur interne : 001018 ( Main/Exploration ); précédent : 001017; suivant : 001019Patient-specific finite element analysis of viscoelastic masticatory mucosa.
Auteurs : Noriyuki Wakabayashi [Japon] ; Tetsuya SuzukiSource :
- Journal of dental biomechanics [ 1758-7360 ] ; 2013.
Abstract
The purpose of this study was to analyze the stress and strain inside of the oral mucosa in partially-edentulous patients. The patient-specific finite element models of the mucosa and the bone were constructed using the CT images and in-vivo surface measurement during a continuous load. The mean initial shear modulus of 8.3 × 10(-5) (GPa) and the mean relaxation time of 503 (s) were determined as the viscoelastic properties of the mucosa. The increase of the highest maximum compressive strain during the continuous loading was observed in all the patients, however; the intensity of strain was not in accordance with the thickness of the mucosa. It is suggested that the variations of the morphology and the initial modulus of the mucosa should be considered in the mathematical approaches to detect the mechanical responses of the oral mucosa.
DOI: 10.1177/1758736013483298
PubMed: 23580171
Affiliations:
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