Association between masticatory ability and oral functions

Mariko Maruyama, Koji Morita, Hitomi Kimura, Fumiko Nishio, Mitsuyoshi Yoshida, Kazuhiro Tsuga

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Background: Mastication is the process of breaking ingested food with the teeth and mixing it with saliva to form a mass that is easy to swallow. However, few studies have reported on oral functions, such as occlusal force, tongue pressure, and mastication. The purpose of this study was to evaluate the association between masticatory function and oral functions, such as occlusal force and tongue pressure. Material and Methods: In this study, there were 113 patients (41 men and 72 women; mean age, 68.4 ± 11.3 years) who visited dentists at the Hiroshima University Hospital, Hiroshima, Japan between April 2015 and November 2018. Masticatory function of the patients was evaluated using a masticatory ability test system. In addition, occlusal force was measured using a pressure-sensitive film and the maximum tongue pressure was measured with a tongue pressure measuring device according to a conventional method. The relationship of masticatory ability with occlusal force and tongue pressure was examined using multivariate analysis while considering patients’ age, gender, and the number of remaining teeth. Results: Masticatory ability was significantly related to occlusal force, maximum tongue pressure, age, body mass index, the number of remaining teeth, and occlusal contact area (p < 0.05). Multiple regression analysis identified that masticatory ability was significantly associated (p < 0.05) with occlusal force and maximum tongue pressure. Conclusions: Masticatory ability was significantly associated with occlusal force and maximum tongue pressure, indicating that the large muscle mass in the oral cavity is indispensable for improving masticatory function.

本文言語English
ページ(範囲)e1011-e1014
ジャーナルJournal of Clinical and Experimental Dentistry
12
11
DOI
出版ステータスPublished - 11-2020
外部発表はい

All Science Journal Classification (ASJC) codes

  • 歯科学(全般)

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