The association between mastication and mild cognitive impairment in Korean adults

Currently, a few of studies revealed that there is an association between mastication and cognitive impairment. There is no study of Korean adult representative samples in relation to mastication and cognitive decline. This study was to investigate the relationship between mastication and mild cogni...

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Bibliographic Details
Published in:Medicine (Baltimore) 2020-06, Vol.99 (23), p.e20653-e20653
Main Authors: Kim, Mi-Sun, Oh, Bumjo, Yoo, Ji Won, Han, Dong-Hun
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Cognitive Dysfunction - epidemiology
Cross-Sectional Studies
Dentures - statistics & numerical data
Female
Humans
Longitudinal Studies
Male
Mastication - physiology
Middle Aged
Observational Study
Republic of Korea
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Summary:Currently, a few of studies revealed that there is an association between mastication and cognitive impairment. There is no study of Korean adult representative samples in relation to mastication and cognitive decline. This study was to investigate the relationship between mastication and mild cognitive impairment in Korean adults.A population-based cross-sectional study was conducted in which a total of 7029 subjects (2987 men and 4042 women) over 45 years old were surveyed from the Korea Longitudinal Study on Aging (KLoSA), Round 5th survey. Logistic regression analysis was performed for the study data controlling for confounding factors such as age, gender, education, income, smoking, drinking, exercise, wearing denture, and the number of chronic diseases.Decreased chewing function is associated with mild cognitive impairment (odds ratio [OR] = 3.24, 95% confidence interval [CI] = 2.67-3.93) after controlling for confounding variables. In the participants who did not wear dentures, the reduction of chewing function was strongly correlated with mild cognitive impairment (OR = 3.97, 95% CI = 3.11-5.08).Mastication was associated with mild cognitive impairment. To prevent cognitive decline, health specialists should pay more attention to the decline of the mastication in people without dentures.
ISSN:0025-7974
1536-5964
DOI:10.1097/MD.0000000000020653