Oral Health examination of the Korea National Health and Nutrition Examination Survey and prevalence of oral disease

Woo Gyeong-Ji, Kim Hye-Jin, Kim Yoonjung, Oh Kyung-Won
Division of Health and Nutrition Survey, Centers for Disease Prevention, KCDC

The Korea National Health and Nutrition Examination Survey (KNHANES) is a national surveillance system that has been assessing the health and nutritional status of Koreans since 1998. Based on the National Health Promotion Act, the surveys have been conducted by the Korea Centers for Disease Control and Prevention (KCDC). The oral health component of KNHANES obtained data to assess the oral health status of Koreans, determine the prevalence of dental caries and periodontal disease. The prevalence of dental caries in male declined from 41.6% in 2007 to 33.4% in 2015. The prevalence of dental caries was higher in 20s than in 70s among male and female. And the prevalence of periodontal disease in female declined from 29.4% in 2007 to 22.1% in 2015. The prevalence of periodontal disease was higher in 70s than in 20s among male and female. The prevalences of dental caries and periodontal disease increased with lower household income levels.

Keywords: Korea National Health and Nutrition Examination Survey(KNHANES), Oral examination, Dental caries, Periodontal disease