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A Comprehensive Finite Element Model of the Human Masticatory System

Martinez Choy, Simon Ernesto

Abstract (englisch):
Understanding the role and mutual influence of the different components of the masticatory
system during biting tasks is crucial for the improvement of the occlusal
configuration of antagonistic teeth concerning CAD/CAM produced tooth reconstructions.
The aim of this thesis is the creation of a comprehensive model of the
stomatognathic system, which permits the reproduction of mandibular movements
during the chewing act, including the micromovements of the teeth. The numerical
model is based on the finite element method (FEM), which makes use of an explicit
scheme for time discretization. The different tissues are represented by both, linear
and non-linear material models, while contact is defined between the articular surfaces
of the temporomandibular joint. A detailed explanation of the construction of
the model is given, which includes the creation of the geometry of each component,
the assembly process, the meshing process, and, finally, the proper allocation of material
laws. Studies regarding the mineral tissue of the system focus on the first and
third principal stresses developed in the mandibular bone during bilateral and unilateral
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Volltext §
DOI: 10.5445/IR/1000084245
Veröffentlicht am 09.07.2018
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Mechanik (IFM)
Publikationstyp Hochschulschrift
Publikationsjahr 2018
Sprache Englisch
Identifikator urn:nbn:de:swb:90-842457
KITopen-ID: 1000084245
Verlag KIT, Karlsruhe
Umfang IX, 165 S.
Abschlussart Dissertation
Fakultät Fakultät für Bauingenieur-, Geo- und Umweltwissenschaften (BGU)
Institut Institut für Mechanik (IFM)
Prüfungsdatum 13.03.2018
Referent/Betreuer Prof. Karl Schweizerhof
Projektinformation DFG, DFG EIN, SCHW 307/30-1
Schlagwörter Finite element method, biomechanics, masticatory system, periodontal ligament, temporomandibular joint, muscles, mastication
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