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Experimental and numerical characterization of the mechanical masseter muscle response during biting

Weickenmeier, J., Jabareen, M., Le Reverend, B.J.D., Ramaioli, Marco and Mazza, E. (2017) Experimental and numerical characterization of the mechanical masseter muscle response during biting Journal of Biomechanical Engineering, 139 (12). pp. 121007-121017.

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Predictive simulations of the mastication system would significantly improve our understanding of temporomandibular joint disorders and the planning of cranio-maxillofacial surgery procedures. Respective computational models must be validated by experimental data from in-vivo characterization of the mastication system’s mechanical response. The present pilot-study demonstrates the feasibility of a combined experimental and numerical procedure to validate a computer model of the masseter muscle. An experimental setup is proposed that provides a simultaneous bite force measurement and ultrasound-based visualization of muscle deformation. The direct comparison of the experimentally observed and numerically predicted muscle response demonstrates the predictive capabilities of such anatomically accurate biting models. Differences between molar and incisor biting are investigated; and muscle deformation is recorded for three different bite forces in order to capture the effect of increasing muscle fiber recruitment. The three-dimensional muscle deformation at each bite position and force-level is approximatively reconstructed from ultrasound measurements in five distinct cross-sectional areas (four horizontal and one vertical cross section). The experimental work is accompanied by numerical simulations to validate the predictive capabilities of a constitutive muscle model previously formulated. An anatomy-based, fully threedimensional model of the masseter muscle is created from Corresponding author: magnetic resonance images of the same subject. The direct comparison of experimental and numerical results revealed good agreement for maximum bite forces and masseter deformations in both biting positions. The present work therefore presents a feasible in-vivo measurements system to validate numerically predicted masseter muscle contractions during mastication.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
Weickenmeier, J.
Jabareen, M.
Le Reverend, B.J.D.
Mazza, E.
Date : December 2017
DOI : 10.1115/1.4037592
Copyright Disclaimer : © 2017 American Society of Mechanical Engineers (ASME).
Uncontrolled Keywords : Muscle; Deformation; Fibers; Computer simulation; Simulation; Magnetic resonance; Ultrasound; Engineering simulation; Surgery; Visualization
Related URLs :
Additional Information : Paper No: BIO-17-1146
Depositing User : Clive Harris
Date Deposited : 14 Aug 2017 10:56
Last Modified : 16 Aug 2019 15:22

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