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BMC Oral Health
Published in: BMC Oral Health 1/2023

Open Access 01-12-2023 | Dementia | Research

Association between oral health and cognitive function among Chinese older adults: the Taizhou imaging study

Authors: Wenjia Gu, Jialin Li, Fei Li, Teck-Ek Ho, Xiping Feng, Yingzhe Wang, Min Fan, Mei Cui, Kelin Xu, Xingdong Chen, Haixia Lu, Yanfeng Jiang

Published in: BMC Oral Health | Issue 1/2023

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Abstract

Background

We aimed to investigate the association between oral health and cognitive function in a sample of older adults from a Chinese rural community.

Methods

The cross-sectional cognitive function of 677 individuals were assessed by Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA). A comprehensive profile of the oral health status was evaluated by questionnaire and clinical examination.

Results

Multiple covariates-adjusted regression models demonstrated decayed teeth (DT) and decayed/missing/filled teeth (DMFT) were negatively associated with MoCA score (all p < 0.05). Calculus index (CI) and clinical attachment loss (CAL) were significantly associated with the lower MoCA, short-term memory and executive function score, respectively (all p < 0.05). Additionally, participants with missing teeth unrestored tend to get lower MMSE and MoCA scores (p < 0.05). The results also showed that increased DT and CI were modestly associated with higher odds of cognitive impairment (p < 0.05).

Conclusions

There is an association between oral health and global cognition. Poor periodontal status was strongly associated with worse global cognition performance, especially in the short-term memory and executive domain for the aging population.
Appendix
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Metadata
Title
Association between oral health and cognitive function among Chinese older adults: the Taizhou imaging study
Authors
Wenjia Gu
Jialin Li
Fei Li
Teck-Ek Ho
Xiping Feng
Yingzhe Wang
Min Fan
Mei Cui
Kelin Xu
Xingdong Chen
Haixia Lu
Yanfeng Jiang
Publication date
01-12-2023
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2023
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/s12903-023-03353-9

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