Title
In vivo measurement of the 3D kinematics of the temporomandibular joint using miniaturized electromagnetic trackers : technical report In vivo measurement of the 3D kinematics of the temporomandibular joint using miniaturized electromagnetic trackers : technical report
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Oxford ,
Subject
Mathematics
Biology
Human medicine
Computer. Automation
Source (journal)
Medical and biological engineering and computing. - Oxford
Volume/pages
51(2013) :4 , p. 479-484
ISSN
0140-0118
ISI
000316118900012
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Objective: The aim of this study was to evaluate the use of miniaturized electromagnetic trackers (1 x 0.5 x 0.5 cm) fixed on teeth of the maxilla and mandible to analyse in vivo the 3D kinematics of the temporomandibular joint (TMJ). A third sensor was fixed to the forehead, and a fourth sensor was used as a stylus pointer to detect several anatomical landmarks in order to embed a local frame on the cranium. Temporomandibular opening/closing, chewing, laterotrusion and protrusion were examined. Results: The prime objective within this study was to rigidly attach electromagnetic minisensors on teeth. The key for a successful affixation was the kevlar interface. The distances between the two mandibular affixed sensors and between the two maxillar affixed sensors were overall smaller than 0.033 cm for position and 0.2A degrees for attitude throughout the temporomandibular motions. The relative motions between a forehead sensor and the maxilla affixed sensor are too big to suggest a forehead sensor as an alternative for a maxilla affixed sensor. Conclusion: The technique using miniaturized electromagnetic trackers furthers on the methods using electromagnetic trackers on external appliances. The method allows full range of motion of the TMJ and does not disturb normal TMJ function.
E-info
https://repository.uantwerpen.be/docman/iruaauth/deaa0b/6ce3851.pdf
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