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Biphasic finite element simulation of the TMJ disc from in vivo kinematic and geometric measurements.


Donzelli, P S; Gallo, L M; Spilker, R L; Palla, S (2004). Biphasic finite element simulation of the TMJ disc from in vivo kinematic and geometric measurements. Journal of Biomechanics, 37(11):1787-1791.

Abstract

Understanding the biomechanical nature of the degeneration of the temporomandibular joint requires a coupling between experimental measurements and numerical simulation. In this study, geometry measured from MRI, and motion obtained from a specially designed optoelectronic system are fed into a three-dimensional biphasic finite element analysis to generate the spatial and temporal mechanical response of the disc. This study demonstrates how this coupling can effectively predict the biomechanical response of the temporomandibular joint disc to physiological loading. For small jaw opening movements, asymmetries in the load of the disc are found, with especially higher shear stresses in the lateral portion.

Understanding the biomechanical nature of the degeneration of the temporomandibular joint requires a coupling between experimental measurements and numerical simulation. In this study, geometry measured from MRI, and motion obtained from a specially designed optoelectronic system are fed into a three-dimensional biphasic finite element analysis to generate the spatial and temporal mechanical response of the disc. This study demonstrates how this coupling can effectively predict the biomechanical response of the temporomandibular joint disc to physiological loading. For small jaw opening movements, asymmetries in the load of the disc are found, with especially higher shear stresses in the lateral portion.

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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:04 Faculty of Medicine > Center for Dental Medicine > Clinic for Masticatory Disorders and Complete Dentures, Geriatric and Special Care Dentistry
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:1 November 2004
Deposited On:11 Feb 2008 12:23
Last Modified:05 Apr 2016 12:19
Publisher:Elsevier
ISSN:0021-9290
Publisher DOI:10.1016/j.jbiomech.2004.01.029
PubMed ID:15388322

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