Low tongue strength and the number of teeth present are associated with cognitive decline in older Japanese dental outpatients: A cross-sectional study

Rui Egashira, Shinsuke Mizutani, Masahiro Yamaguchi, Tomotaka Kato, Yojiro Umezaki, Saori Oku, Keiko Tamai, Toyoshi Obata, Toru Naito

研究成果: ジャーナルへの寄稿学術誌査読

12 被引用数 (Scopus)

抄録

To mitigate the impact of dementia, initiating early intervention is important. This study aims to investigate the associations between deterioration in oral function and cognitive decline in older outpatients whose oral health was maintained in the dental clinic. This study included 50 outpatients aged ≥65 years. We used the Japanese version of the Montreal Cognitive Assessment (MoCA-J) to assess cognitive decline. Oral function was evaluated by tongue pressure, masticatory performance, and swallowing ability. A full-mouth periodontal examination was conducted, and the occlusal support and number of teeth were recorded. Odds ratios (ORs) and 95% confidence intervals (CIs) for cognitive decline (MoCA-J score ≤ 25 points) were calculated using logistic regression models. The age, number of teeth, tongue pressure, and masticatory performance were significantly correlated with cognitive decline (p < 0.05). Logistic regression analyses revealed that cognitive decline was independently associated with age (OR: 1.25; 95% CI: 1.03–1.52; p = 0.024), number of teeth (OR = 0.83; 95% CI: 0.76–1.00; p = 0.047), and lower tongue pressure (OR: 0.87; 95% CI: 0.77–0.98; p = 0.022). Lower tongue pressure and a small number of remaining teeth may be associated with cognitive decline in Japanese outpatients.

本文言語英語
論文番号8700
ページ(範囲)1-12
ページ数12
ジャーナルInternational journal of environmental research and public health
17
22
DOI
出版ステータス出版済み - 11月 2 2020

!!!All Science Journal Classification (ASJC) codes

  • 公衆衛生学、環境および労働衛生
  • 健康、毒物学および変異誘発

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