Association between Diet Quality and Periodontitis in Korean Population

Objectives: The aim of this study was to examine the association between the diet quality and periodontiti for Korean population. Methods: The total number of participants in the KNHANES was 7,943. Periodontitis was defined as Community Periodontal Index. Diet quality was evaluated using the Korean Healthy Eating Index (KHEI) following adequacy, moderation, and balance components. Results: The lowest KHEI total score was associated with periodontitis and severe periodontitis. Especially, lower fruit intake was associated with periodontitis, while lower have breakfast, lower total fruits, meat fish, eggs, and beans intake, and lower carbohydrate and fat energy balance were associated with severe periodontitis. Conclusions: Diet quality had a more significant effect on severe periodontitis than on periodontitis. It is necessary to pay attention to diet quality to better oral health.