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      • Dental hygiene and COPD exacerbations

        ( Hye Sook Choi ),( Chin Kook Rhee ),( Yong Bum Park ),( Kwang Ha Yoo ),( Jung Mi Lee ),( Kyung Hee Son ),( Seung Hyun Lee ),( Kwak Won Kun ) 대한결핵 및 호흡기학회 2019 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.127 No.-

        Background: The aim of this study was to examine the relationship of dental brushing and COPD acute exacerbation in patients with mild to moderate COPD. Methods: This was a retrospective observational study. Data were obtained from the Korean National Health and Nutrition Examination Survey (KNHANES) (2007 ~ 2012) database. Mild to moderate COPD patients were defined as 50 % ≤ FEV1 <80%. Acute exacerbation of COPD was defined as emergency room visit or hospital admission with prescription of antibiotics and/or systemic corticosteroid within 3 days. We defined the exacerbators as the patients with history of exacerbations during 6 years, and the non-exacerbators as the patients without history of exacerbations during 6 years. We examined the tooth brushing before sleeping, whether tooth brushing or not per a day, the use of tooth floss, the use of interdental tooth brush. We survey whether tooth brushing pattern affect the exacerbation. Results: A total of 241 patients (10.1%) had experienced exacerbations among 2363 mild to moderate COPD patients. Exacerbators showed older ages compared to non-exacerbators (68 yrs vs. 62 yrs, p<0.001). Exacerbators showed lower frequency of tooth brushing before sleeping compared to non-exacerbators (16.2% vs. 24%, p=0.008). Exacerbators showed lower frequency of tooth brushing before survey day (93.4% vs. 97.8%, p=0.021). Exacerbators used tooth floss less compared to non-exacerbators (4.3%, vs. 13.7%, p<0.001). Odds ratio is 0.30 (95% CI 0.15-0.62, p=0.001) of dental floss users for COPD exacerbations compared to non-users. Conclusions: Dental floss user experienced less exacerbations than non-users. Dental floss might decrease COPD exacerbations. Further studies will be needed.

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