The effect of missing teeth on dementia in older people: a nationwide population-based cohort study in South Korea
| Autor: | Namsik Oh, Man-Yong Kim, Min-Jin Kang, Jin-Joo Yoo, Joon-Ho Yoon |
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| Rok vydání: | 2019 |
| Předmět: |
Male
Tooth extraction Tooth loss Dental Caries 03 medical and health sciences 0302 clinical medicine stomatognathic system Republic of Korea Humans Medicine Dementia 030212 general & internal medicine General Dentistry Aged Aged 80 and over business.industry Periodontal diseases Incidence (epidemiology) 030206 dentistry Odds ratio medicine.disease Confidence interval lcsh:RK1-715 stomatognathic diseases lcsh:Dentistry Cohort Propensity score matching Cohort studies Female medicine.symptom business Demography Cohort study |
| Zdroj: | BMC Oral Health, Vol 19, Iss 1, Pp 1-10 (2019) |
| ISSN: | 1472-6831 |
| Popis: | Background To determine the effect of missing teeth on the risk of dementia onset among individuals who received tooth extractions and those who did not, based on the number of missing teeth. Methods We selected individuals who had not been diagnosed or treated for dementia between 2002 to 2011 from the National Health Insurance Service-Elderly Cohort Database (NHIS-ECD). We divided participants into two cohorts, a tooth extraction and non-extraction cohort, based on tooth loss from 2002 to 2011. After propensity score matching, there were 104,903 individuals in each cohort, and we included a total of 209,806 individuals in this study. Each cohort was grouped by sex, age, residential area, health insurance eligibility, income level, history of dental caries, history of periodontal treatment, and number of extracted teeth. We analyzed the relationship between dementia onset and these variables using logistic regression analysis. Results Individuals with tooth loss had a higher risk for dementia than those without tooth loss (odds ratio [OR] = 1.18; 95% confidence interval [CI]: 1.146–1.215). Regarding the incidence of dementia, the OR increased as the number of missing teeth and age increased, and the OR was higher for women (OR = 1.33; 95% CI: 1.286–1.367) than for men, and this difference was statistically significant (P |
| Databáze: | OpenAIRE |
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