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The Association Between Masticatory Function Assessment and Masseter Muscle Thickness in the Elderly

Authors
 Hyo-Jung Jung  ;  Yong-Guang Min  ;  Hyo-Jung Kim  ;  Joo-Young Lee  ;  Jong-Hoon Choi  ;  Baek-Il Kim  ;  Hyung-Joon Ahn 
Citation
 Journal of Oral Medicine and Pain, Vol.45(3) : 49-55, 2020-09 
Journal Title
Journal of Oral Medicine and Pain
ISSN
 2288-9272 
Issue Date
2020-09
Keywords
Bite force ; Masseter muscle ; Mastication ; Ultrasonography
Abstract
Purpose: Purpose: This study investigated the association between the objective indicator of masticatory function assessment and the masseter muscle thickness (MMT) using ultrasound imaging. Methods: Methods: A total of 99 subjects (males: 24, females: 75, mean age: 76) were analyzed. The maximum bite force (MBF) was measured with a pressure-sensitive sheet and an image scanner. The mixing ability index (MAI) was calculated by image analysis after asking the subjects to chew a wax specimen. The MMT during rest and clenching were obtained with a diagnostic ultrasound system, and the difference in MMT during rest and MMT during clenching was defined as the difference in masseter muscle thickness (DMMT). Multiple regression analysis was performed to determine the independent variables affecting MBF and MAI. Results: Results: The MBF showed correlation with the number of remaining teeth (β=0.346, p=0.002) and DMMT (β=0.251, p=0.011). The MAI correlated with only the number of remaining teeth (β=0.476, p<0.001). Conclusions: Conclusions: The DMMT reflects the state of masseter muscle contraction, and can be used as a predictor as well as the number of teeth when assessing masticatory function.
Files in This Item:
T202006446.pdf Download
DOI
10.14476/jomp.2020.45.3.49
Appears in Collections:
2. College of Dentistry (치과대학) > Research Institute (부설연구소) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orofacial Pain and Oral Medicine (구강내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Ahn, Hyoung Joon(안형준)
Lee, Joo-Young(이주영)
Choi, Jong Hoon(최종훈) ORCID logo https://orcid.org/0000-0003-3211-3619
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/181810
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