Correlation between mandibular/maxillary torus and periodontitis: a cross-sectional study.

The causes of exostoses, such as mandibular/maxillary torus, include bruxism, occlusal force, genetics, and environmental factors. This study investigated the correlation between mandibular/maxillary torus and periodontitis. A total of 478 patients above 20 years of age who visited the general dental clinic from 2001 to 2014 were enrolled in the study. Clinical data, including PPD, Bop, and DMFT index, were evaluated. The general condition of the patient, including back pain, a stiff shoulder, and a history of smoking, was evaluated via medical interviews. Logistic regression analysis was performed to assess the association between mandibular/maxillary torus and patient characteristics. Apart from sex, no statistically significant differences were observed between the torus and the other patient characteristics. In addition, no significant association was found between the presence of a torus and the number of teeth with a PPD of >6 mm. These findings suggest that the mandibular/maxillary torus does not contribute to periodontitis. Additional longitudinal studies are warranted to elucidate the complex interplay between genetic predisposition, environmental factors, and mechanical stress in the development of the torus and its potential impact on periodontal health.