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Proceedings Paper

Development of 4D jaw movement visualization system for dental diagnosis support
Author(s): Yoshimitsu Aoki; Masahiko Terajima; Akihiko Nakasima
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Paper Abstract

A person with an asymmetric morphology of maxillofacial skeleton reportedly possesses an asymmetric jaw function and the risk to express temporomandibular disorder is high. A comprehensive analysis from the point of view of both the morphology and the function such as maxillofacial or temporomandibular joint morphology, dental occlusion, and features of mandibular movement pathways is essential. In this study, the 4D jaw movement visualization system was developed to visually understand the characteristic jaw movement, 3D maxillofacial skeleton structure, and the alignment of the upper and lower teeth of a patient. For this purpose, the 3D reconstructed images of the cranial and mandibular bones, obtained by computed tomography, were measured using a non-contact 3D measuring device, and the obtained morphological images of teeth model were integrated and activated on the 6 DOF jaw movement data. This system was experimentally applied and visualized in a jaw deformity patient and its usability as a clinical diagnostic support system was verified.

Paper Details

Date Published: 25 October 2004
PDF: 8 pages
Proc. SPIE 5603, Machine Vision and its Optomechatronic Applications, (25 October 2004); doi: 10.1117/12.571064
Show Author Affiliations
Yoshimitsu Aoki, Shibaura Institute of Technology (Japan)
Masahiko Terajima, Kyushu Univ. (Japan)
Akihiko Nakasima, Kyushu Univ. (Japan)


Published in SPIE Proceedings Vol. 5603:
Machine Vision and its Optomechatronic Applications
Shun'ichi Kaneko; Hyungsuck Cho; George K. Knopf; Rainer Tutsch, Editor(s)

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