Prevalence, severity and extent of chronic periodontitis among Sri Lankan adults.

Abstract

to determine the prevalence, severity and extent of chronic periodontitis among 30-60 year old adults residing in Colombo district, Sri Lanka. a cross-sectional study with interviews and oral examinations. 1400, 30-60 year olds residing in Colombo district. the prevalence of mild, moderate and severe chronic periodontits was 1.4%, 36.1% and 13.5% respectively and the prevalence was significantly associated with sex, age group, ethnicity, level of education, smoking status and self-reported diabetes. The mean probing pocket depth (PPD) was 2.05mm (SE=0.02) and of the sample, 77% and 31% had at least one site with PPD of ≥4 and ≥6mm respectively. The mean clinical attachment loss (CAL) was 2.53mm (SE=0.03) and 99% and 81% of the sample had at least one site with CAL of ≥3mm and ≥5mm respectively. The extent of periodontitis determined according to the mean percentage of sites with ≥4 and ≥6mm of PPD were 8.40 (SE=0.34) and 1.37 (SE=0.11) respectively. Further, the extent of periodontitis according to the mean percentages of sites with ≥3 and ≥5mm of CAL were 39.73 (SE=0.66) and 10.95 (SE=0.43) respectively. the prevalence, severity and extent of chronic periodontits are high among adults in Colombo district. Their periodontal status was poorer than in previously reported studies conducted in the same district.