ArticleHealthcare (Basel, Switzerland)2025
Association Between Cognitive Impairment and Poor Oral Function in Community-Dwelling Older People: A Cross-Sectional Study.
Article in Healthcare (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Burden and Patterns of Oral Diseases and Systemic Comorbidities in Older Adults Attending Primary Care: A Sex- and Age-Stratified Analysis.Medicina (Kaunas, Lithuania) · 2026Article
- Association of oral diadochokinesis with activities of daily living in older adults: a cross-sectional observational study.BMC oral health · 2026Observational
- Article
- Association between malnutrition and low tongue pressure in community-dwelling older people: a population-based cohort study.Scientific reports · 2025Article
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14 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
objectivesThe population of Japan has a high life expectancy, but there is room for improvement in terms of the country's healthy life expectancy. The long period of care dependency among Japan's elderly is also a major economic health challenge. Dementia is a major factor in the need for care, and its prevention is a crucial and urgent challenge. There are recent reports of a possible association between changes in oral function and cognitive impairment, but the details of this association remain unclear. To clarify the relationship between poor oral function and cognitive impairment, we conducted an exploratory investigation using a cognitive function assessment (Mini-Cog) administered in a large-scale study and its relevance to oral function.
methodsThe study population was 678 community-dwelling individuals aged ≥65 years living in Tarumizu city, Japan, in 2019. Cognitive function was assessed using the Mini-Cog test, and the oral survey was a modification of the content of the Oral Hypofunction Examination as defined by the Japanese Society of Gerodontology.
resultsThe participants' median age was 73 years. The oral function results revealed median scores below the oral hypofunction criterion for occlusal force, tongue pressure, oral diadochokinesis, and swallowing function. The results of a binomial logistic regression analysis indicated that tongue-lip motor function was independently associated with oral function in relation to cognitive impairment.
conclusionsThe oral function associated with cognitive impairment in this study was tongue-lip motor function. Aiming to improve this function may prevent the exacerbation of cognitive impairment.
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