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Year : 2004  |  Volume : 16  |  Issue : 1  |  Page : 9-18

An Epidemiological Study of Oral Mucosal Lesions in Karnataka State, India

Department of Public Health Dentistry, SDM College of Dental Sciences and Hospital, Sattur, Dharwad 580009, Karnataka, India

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This article presents oral mucosal lesions findings from a state oral health survey of Karnataka, India. A total of 46,579 subjects aged 1-4 to 65+ years were selected by using multistage-cluster-stratified random sampling method and subjects were examined by 32 dentists trained in standardized clinical diagnostic criteria for oral mucosal lesions. In the present study, 7.53% of subjects had one or more oral mucosal lesions, in which, male subjects (9.41 %) had a significantly higher prevalence of lesions compared to female subjects (4.38%); urban subjects (11.61%) had a significantly higher prevalence than rural subjects (5.01 %) and the Christian subjects had a significantly higher prevalence of lesions than the Hindus, Muslims and others (F=211.594, <0.001, S). The observed prevalence of oral mucosal lesions increased with age (r=0.8174, P<0.05, S), which is statistically significant. The most prevalent lesions observed were Leukoplakia (1.73%), Lichen planus (2.02%) Ulceration (0.73%), Candidiasis (0.94%) and Abscess (1.05%). The maximum number of lesions was seen in sulci (7.33%) and the minimum number of lesions was seen in lips (0.02%). Differences in prevalence were analyzed by sex, religion, location and geographical area.

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