Epidemiologic study of 6000 villagers of oral precancerous lesions in Bilugyun: preliminary report

Abstract

A house-to-house survey of 11 villages selected by random sampling was conducted in Bilugyun, Chaung-zone township, Mon State of southeastern Burma to study the prevalence of oral precancerous lesions and smoking and chewing. A total of 6000 villagers who were above 15 yr at the time of this study were examined. The prevalence of preleukoplakia was 0.3%, leukoplakia 1.7%, lichen planus 0.4%, leukokeratosis nicotina palati 2.3, erythroplakia 0.1%, submucous fibrosis 0.1%, and cancer 0.03%. A correlation was done between habits and lesions.