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1 "Obstructive sleep apnea"
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Original Article
Risk of chronic periodontitis in patients with obstructive sleep apnea in Korea: a nationwide retrospective cohort study
Seon-Rye Kim, Minkook Son, Yu-Rin Kim
Epidemiol Health. 2023;45:e2023032.   Published online March 6, 2023
DOI: https://doi.org/10.4178/epih.e2023032
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AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
The aim of this study was to determine whether the development of chronic periodontitis is more likely among patients who have been newly diagnosed with obstructive sleep apnea (OSA) through an analysis of representative data from the general population.
METHODS
A nationwide, population-based, retrospective cohort study was conducted using patient records from the Korean National Health Insurance Service database. For the period 2004-2019, patient data were categorized into 2 groups: a diagnosis of OSA (747 subjects) and no diagnosis of OSA (1,494 subjects). Subsequently, 1:2 propensity score matching was performed to ensure the homogeneity of the 2 groups. To analyze the risk of incident chronic periodontitis, a Cox proportional-hazards model was used to calculate hazard ratios (HRs) with 95% confidence intervals (CIs).
RESULTS
In the Kaplan-Meier curve, the disease-free probability was significantly lower in the OSA group than in the non-OSA group (p for log-rank test=0.001). The crude HR for the association between OSA and chronic periodontitis was 1.29 (95% CI, 1.16 to 1.43). The multivariable-adjusted HR was calculated at 1.28 (95% CI, 1.15 to 1.42).
CONCLUSIONS
This study confirmed a relationship between OSA and chronic periodontitis. Therefore, OSA patients require oral care to prevent the progression of chronic periodontitis from mild to severe.
Summary
Korean summary
폐쇄성수면무호흡증 환자의 만성치주염 발생위험 차이를 분석한 결과, 폐쇄성수면무호흡증 그룹에서 만성치주염의 발생위험이 높았다. 따라서 폐쇄성수면무호흡증 환자의 만성치주염 초기치료 및 질환의 진행이 되지 않도록 전문가의 효과적인 구강관리가 필요할 것이다.
Key Message
As a result of analyzing the difference in the risk of chronic periodontitis among patients with obstructive sleep apnea, the risk of chronic periodontitis was higher in the obstructive sleep apnea group. Therefore, effective oral care by experts will be necessary to prevent the initial treatment of chronic periodontitis and progression of the disease in patients with obstructive sleep apnea.

Epidemiol Health : Epidemiology and Health