[Correlation between periodontitis and metabolic syndrome of the middle-aged and aged population in Shijingshan community of Beijing].

Objective: To survey the metabolic status of the middle-aged and aged population with periodontitis in Shijingshan community of Beijing, and investigate the relationship between periodontitis and metabolic syndrome (MS).

Methods: The middle-aged and aged population in the community were investigated by questionnaires, periodontal clinical examinations and blood biochemical tests in 2005. A total of 903 subjects were enrolled, who were divided into two groups by severity of periodontitis.