The three-axial gyroscope sensor detects the turning point between opening and closing phases of chewing

Journal article


Minami, Ichiro, Wirianski, Alex, Harakawa, Ryosuke, Wakabayashi, Noriyuki and Murray, Greg M.. (2018). The three-axial gyroscope sensor detects the turning point between opening and closing phases of chewing. Clinical and Experimental Dental Research. 4(6), pp. 249 - 254. https://doi.org/10.1002/cre2.137
AuthorsMinami, Ichiro, Wirianski, Alex, Harakawa, Ryosuke, Wakabayashi, Noriyuki and Murray, Greg M.
Abstract

Most devices measuring the kinematics of masticatory function are cumbersome to setup and not portable. Data collection would be facilitated, particularly in the elderly, if the device used for the objective measurement of mastication was easily transportable and simple to setup. Accelerometers and gyroscope sensors are lightweight and portable and may be useful alternatives. The definition of the turning point between the opening and closing phases of chewing is important for studies of associations between muscle activity and effects of perturbations. Measures of the mediolateral angle (specifically, the mandibular tilt from the lateral view) allow the detection of the turning point between the opening and closing phases. The aim was to determine whether a three‐axial gyroscope sensor can detect the turning point between opening and closing phases of chewing. Fourteen asymptomatic participants chewed gum while the output was recorded from a three‐axial gyroscope sensor (Seiko Epson, Japan) attached to the chin and a 6 degree‐of‐freedom electromagnetic jaw‐tracking device (Pollhemus, USA). Bland–Altman plots were used to assess the matching of the recordings made by the three‐axial gyroscope sensor and the jaw‐tracking device. The turning points between the opening and closing phases of chewing matched closely when recorded by a jaw‐tracking device and when using a three‐axial gyroscope sensor. A three‐axial gyroscope sensor can validly detect the turning point between the opening and closing phases during chewing of gum.

Keywordsjaw movement; jaw-tracking system; mastication
Year2018
JournalClinical and Experimental Dental Research
Journal citation4 (6), pp. 249 - 254
PublisherWiley-Blackwell Publishing Ltd.
ISSN2057-4347
Digital Object Identifier (DOI)https://doi.org/10.1002/cre2.137
Scopus EID2-s2.0-85057876529
Open accessOpen access
Page range249 - 254
Research GroupSchool of Allied Health
Publisher's version
License
Place of publicationUnited Kingdom
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