Smoking and obesity may be independent risk factors for periodontitis

Article Title and Bibliographic Information

Determination of smoking and obesity as periodontitis risks using the classification and regression tree method.

Nishida N, Tanaka M, Hayashi N, Nagata H, Takeshita T, Nakayama K, et al. J Periodontol 2005;76(6):923-8.

Level of Evidence

4

Purpose/Question

To determine which lifestyle-related factors were most strongly associated with periodontitis.

Source of Funding

Government and private foundations

Type of Study/Design

Cross-sectional study