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KMID : 1040520200100010031
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Journal of Korean Society of Community-Based Occupational Therapy
2020 Volume.10 No. 1 p.31 ~ p.38
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The Effects of Bilateral Chewing Exercise on Occlusion Force and Masseter Muscle Thickness in Community-Dwelling Elderly
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Hong Jun-Yong
Jung Young-Jin
Kim Min-Ji
Hwang Se-Hyun
Park Ji-Su
Lee Gi-Hyoun
Kim Tae-Hoon
Jung Nam-Hae
Yoon Tae-Hyung
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Abstract
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Objective : The purpose of this study is to investigate the effects of bilateral chewing exercise applied for 6 weeks on occlusion force and masseter muscle thickness in the elderly living in the community.
Methods : This study recruited 25 community residents. All participants performed bilateral chewing exercise using equipment developed for the purpose of oral chewing exercise. The chewing exercise was divided into isometric and isotonic type and applied for about 20 minutes a day, five times a week for six weeks. For the evaluation, the masseter muscle thickness and the maximum occlusion force were measured three times at three week intervals using a portable ultrasound instrument and an occlusion force gauge.
Results : As a result of the change in masseter muscle thickness, baseline, 3 weeks later, and 6 weeks later referred to 7.51±0.43, 7.63±0.44, and 7.83±0.46, respectively (F=3.819, p<.05). The post hoc test resulted in a significance between baseline and 6 weeks later (p=0.023). Similarly, as a result of the change in occlusion force, baseline, 3 weeks later, and 6 weeks later referred to 265±9.22, 268±9.57, and 271.59±10.16, respectively (F=3.031, p<.05). The post hoc test resulted in a significance between baseline and 6 weeks later (p=0.048).
Conclusion : This study confirmed that bilateral chewing exercise was effective for increasing masseter muscle thickness and occlusion force in the elderly. Therefore, bilateral chewing exercise can be applied as a therapeutic exercise method for improving oral function.
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KEYWORD
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Occlusion force, Elderly, indivisuals, Exercise, Masseter muscle
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