Cigarette smoking associated with advanced periodontal destruction in a Greek sample population of patients with periodontal disease.

Objectives: The objective of this study was to evaluate the possible risk factor related to the severity of periodontal destruction in an adult Greek population and to determine possible risk factors of chronic periodontal disease.

Methods: The 115 participants (mean age 47.5, range 28-74 years) were referred for periodontal treatment in two high-standard therapeutic centers.