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http://dx.doi.org/10.18598/kcbot.2020.10.1.03

The Effects of Bilateral Chewing Exercise on Occlusion Force and Masseter Muscle Thickness in Community-Dwelling Elderly  

Hong, Jun-Yong (Department of Multidisplinary Radiological Science, Graduate School, Dongseo University)
Jung, Young-Jin (Department of Radiological Science, Dongseo University)
Kim, Min-Ji (Department of Dental Hygiene, Dongseo University)
Hwang, Se-Hyun (Department of Dental Hygiene, Dongju University)
Park, Ji-Su (Advanced Human Resource Development Project Group for Health Care in Aging Friendly Industry, Dongseo University)
Lee, Gi-Hyoun (Department of Physical and Rehabilitation Medicine, Samsung Medical Center)
Kim, Tae-Hoon (Department of Occupational Therapy, Dongseo University)
Jung, Nam-Hae (Department of Occupational Therapy, Dongseo University)
Yoon, Tae-Hyung (Department of Occupational Therapy, Dongseo University)
Publication Information
The Journal of Korean society of community based occupational therapy / v.10, no.1, 2020 , pp. 31-38 More about this Journal
Abstract
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.
Keywords
Elderly indivisuals; Exercise; Masseter muscle; Occlusion force; Thickness;
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