Tongue function is important for masticatory performance in the healthy elderly: a cross-sectional survey of community-dwelling elderly

Keiichiro Sagawa, Hiroyasu Furuya, Yuki Ohara, Mitsuyoshi Yoshida, Hirohiko Hirano, Katsuya Iijima, Takeshi Kikutani

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Purpose: The aim of this study was to determine the influences of oral motor function such as tongue function and bite force on masticatory performance in the elderly. Methods: We randomly selected 245 subjects who has 28 natural teeth among community-dwelling elderly. We evaluated masticatory performance using a gummy jelly, and also measured bite force, tongue muscle force, and the speed of tongue movement. Results: We found that reduced masticatory performance to be associated with decreased the speed of tongue movement and/or tongue muscle force, indicating that reduced oral motor function also influences masticatory performance. Conclusions: These results suggest that keeping oral motor function, as well as maintenance of occlusal support, to be important for maintaining masticatory function in the elderly.

Original languageEnglish
Pages (from-to)31-34
Number of pages4
JournalJournal of Prosthodontic Research
Volume63
Issue number1
DOIs
Publication statusPublished - 01-2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Oral Surgery
  • Dentistry (miscellaneous)

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