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Type: Journal article
Title: A simple and inexpensive system for monitoring jaw movements in ambulatory humans
Author: Flavel, S.
Nordstrom, M.
Miles, T.
Citation: Journal of Biomechanics, 2002; 35(5):573-577
Publisher: Elsevier Sci Ltd
Issue Date: 2002
ISSN: 0021-9290
Statement of
Stanley C. Flavel, Michael A. Nordstrom and Timothy S. Miles
Abstract: A simple and inexpensive method for recording vertical movements of the human mandible relative to the maxilla is presented. Measurements are made from accelerometers and a Hall-effect device temporarily glued to the upper and lower anterior teeth. The accelerometer signals are integrated once to give velocity and a second time to give position. Movements of the mandible relative to the maxilla are obtained by integrating the difference between the two accelerometer signals. The (relative) velocity and position records derived in this way are linear, but subject to drift when the jaw is stationary. Steady mandibular position is obtained from the Hall-effect system, but this signal must be corrected for its inherent non-linearity. This device can record rapid movements of the mandible even when the head is unrestrained, and interferes minimally with normal jaw movements.
Keywords: Jaw position; Human; Accelerometer; Magnetic sensor; Mandible
Description: Copyright © 2002 Elsevier Science Ltd. All rights reserved.
RMID: 0020020049
DOI: 10.1016/S0021-9290(01)00233-0
Appears in Collections:Physiology publications

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