Abstract #1266
Automated Analysis of Three-dimensional Mandibular Movement Using Multi-section Dynamic MRI
Ryusuke Nakai 1 , Takashi Azuma 2 , Keiji Shigeno 1 , Mariko Wakatsuki 1 , Guoxiang Liu 2 , Osamu Takizawa 3 , and Hiroo Iwata 1
1
Institute for Frontier Medical Sciences,
Kyoto University, Kyoto, Japan,
2
Center
for Information and Neural Networks, National Institute
of Information and Communications Technology, Osaka,
Japan,
3
Siemens
Japan K.K., Tokyo, Japan
In the current study, a technique was developed for
continuous time-series mandibular imaging of multiple
sections with analysis of time-series data and automatic
measurement of the three-dimensional positions and
rotation angles of the mandibular movement. The utility
of this technique was evaluated by analysis of
mandibular movement in volunteers. As a result, the
automatic measurement technique had very good precision.
This technique gives precise information that can
facilitate diagnosis of temporomandibular joint disorder
and mandibular movement disturbance. Therefore, this
technique should permit rapid diagnosis of symptoms and
disorders by dentists.
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