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Article

Oral Factors as Predictors of Frailty in Community-Dwelling Older People: A Prospective Cohort Study

1
Department of Preventive Dentistry, Okayama University Hospital, Okayama 700-8558, Japan
2
Department of Preventive Dentistry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
*
Author to whom correspondence should be addressed.
Academic Editors: Yutaka Watanabe, Masanori Iwasaki and Junichi Furuya
Int. J. Environ. Res. Public Health 2022, 19(3), 1145; https://doi.org/10.3390/ijerph19031145
Received: 16 December 2021 / Revised: 17 January 2022 / Accepted: 18 January 2022 / Published: 20 January 2022
(This article belongs to the Special Issue Oral Frailty and Oral Health Management)
The purpose of this prospective cohort study was to identify predictors for frailty among possible oral factors in community-dwelling older people. Ninety-seven participants (≥60 years old) without frailty at baseline were included and assigned to either the robust or the frailty group after 2-year follow-up. The frailty was defined using the Japan Cardiovascular Health Study index. The numbers of present and functional teeth and periodontal disease severity were recorded. Bacterial counts on the dorsum of the tongue, oral moisture, tongue pressure, occlusal force, masticatory ability, and the oral diadochokinesis (ODK) rate were measured. Swallowing function, along with psychosocial status, relationships with communities and people, nutritional status, medical history, and comorbidities were evaluated using a questionnaire. The newly identified frailty group at follow-up showed significantly lower values in the number of teeth present, ODK/ta/sound and ODK/ka/sound rates, and clinical attachment level at baseline compared to the robust group. A logistic regression model showed a significantly negative association between the ODK/ta/sound rate at baseline and the incidence of frailty. Articulatory oral motor skill was found to be a predictor of frailty after two years. View Full-Text
Keywords: frailty; oral diadochokinesis; prospective cohort study frailty; oral diadochokinesis; prospective cohort study
MDPI and ACS Style

Takeuchi, N.; Sawada, N.; Ekuni, D.; Morita, M. Oral Factors as Predictors of Frailty in Community-Dwelling Older People: A Prospective Cohort Study. Int. J. Environ. Res. Public Health 2022, 19, 1145. https://doi.org/10.3390/ijerph19031145

AMA Style

Takeuchi N, Sawada N, Ekuni D, Morita M. Oral Factors as Predictors of Frailty in Community-Dwelling Older People: A Prospective Cohort Study. International Journal of Environmental Research and Public Health. 2022; 19(3):1145. https://doi.org/10.3390/ijerph19031145

Chicago/Turabian Style

Takeuchi, Noriko, Nanami Sawada, Daisuke Ekuni, and Manabu Morita. 2022. "Oral Factors as Predictors of Frailty in Community-Dwelling Older People: A Prospective Cohort Study" International Journal of Environmental Research and Public Health 19, no. 3: 1145. https://doi.org/10.3390/ijerph19031145

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