ArticleAnnals of general psychiatry2013
Cognitive function and number of teeth in a community-dwelling population in Japan.
Article in Annals of general psychiatry, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 2 of them syntheses that pooled it.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
19 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Masticatory Dysfunction by Extensive Tooth Loss as a Risk Factor for Cognitive Deficit: A Systematic Review and Meta-Analysis.Frontiers in physiology · 2019Pooled it
- Tooth loss as a risk factor for dementia: systematic review and meta-analysis of 21 observational studies.BMC psychiatry · 2018Pooled it
- The Effect of a Masticatory Muscle Training Program on Chewing Efficiency and Bite Force in People with Dementia.International journal of environmental research and public health · 2022Trial
- Minimum pulse rate during sleep as a MMSE-associated factor: a multifaceted exploratory study in older adults without long-term care certification.BMC geriatrics · 2025Article
- The relationships between mastication and cognitive function: A systematic review and meta-analysis.The Japanese dental science review · 2023Review
- Associations of oral health status and swallowing function with cognitive impairment in the aging population: a cross-sectional study.BMC oral health · 2023Article
- Chewing function and related parameters as a function of the degree of dementia: Is there a link between the brain and the mouth?Journal of oral rehabilitation · 2021Article
- Effects of masticatory exercise on cognitive function in community-dwelling older adults.Technology and health care : official journal of the European Society for Engineering and Medicine · 2021Article
- Article
- The relation between teeth loss and cognitive decline among Saudi population in the city of Riyadh: A pilot study.The Saudi dental journal · 2020Article
- The number of remaining teeth as a risk indicator of cognitive impairment: A cross-sectional clinical study in Sado Island.Clinical and experimental dental research · 2018Article
- Does Medicaid Coverage Modify the Relationship between Glycemic Status and Teeth Present in Older Adults?Journal of health care for the poor and underserved · 2018Article
- Poor dental hygiene and periodontal health in nursing home residents with dementia: an observational study.Odontology · 2017Observational
- The Effect of Number of Teeth and Chewing Ability on Cognitive Function of Elderly in UAE: A Pilot Study.International journal of dentistry · 2017Article
- Association between tooth loss and cognitive function among 3063 Chinese older adults: a community-based study.PloS one · 2015Article
- Edentulism associates with worse cognitive performance in community-dwelling elders in rural Ecuador: results of the Atahualpa project.Journal of community health · 2014Article
- Oral health conditions and cognitive functioning in middle and later adulthood.BMC oral health · 2014Article
- A positive correlation between serum amyloid β levels and depressive symptoms among community-dwelling elderly individuals in Japan.Neuropsychiatric disease and treatment · 2014Article
- Prevalence of dementia in Colombian populations.Dementia & neuropsychologiaReview
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIt has been reported that oral health is poor in elderly populations and is associated with poor cognition and dementia. The objective of this study was to examine the association between tooth loss and cognitive function in a community-dwelling population in Japan.
methodsWe examined the association between tooth loss and cognitive function in 462 Japanese community-dwelling individuals. The Mini-Mental State Examination (MMSE) was employed to measure global cognitive status. A multiple logistic regression analysis, with both crude and adjusted conditions for confounding factors, was used to assess the relationship between poor cognition and the number of remaining teeth.
resultsThe overall prevalence of poor cognition (MMSE ≤ 23) in this study population was 5.6%. Subjects with poor cognition were significantly older, less educated, scored lower in intellectual activity, and had fewer remaining teeth than those with normal cognition. According to the multiple logistic regression analysis, a lower number of teeth (0-10) was found to be a significant independent risk factor (OR = 20.21, 95% confidence interval = 2.20 to 185.47) of cognitive impairment.
conclusionsThis cross-sectional study on a Japanese community-dwelling population revealed relationships between tooth loss and cognitive function. However, the interpretation of our results was hampered by a lack of data, including socioeconomic status and longitudinal observations. Future research exploring tooth loss and cognitive function is warranted.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.