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Objectives: The present study aimed to identify the prevalence of precancerous lesions among an adult population in Kerala, India. Materials and Methods: A dental screening camp was organized in each district at two locations for two consecutive days to draw maximum participation of the community. All adult subject's attending the camp were initially screened for precancerous lesions using conventional light. An initial oral screening was done by two public health dentists and suspected cases were subjected to Identafi Oral cancer screening device and followed by histopathological evaluation. Results: The prevalence of oral precancerous lesions in the adult population of Kerala was 4.4%. Most of the lesions were associated with the use of tobacco followed by alcohol and spicy foods. Conclusion: The oral cancer detection device is an aid in detection of oral precancerous lesions.

Background: Fluoride intake at optimal level decreases the incidence of dental caries. However, excessive intake, especially during developmental stages can cause adverse effects such as dental and skeletal fluorosis. Aim: To assess the prevalence and severity of dental fluorosis in primary school children born and raised in three villages of Mysore District. The three selected villages have different water fluoride concentrations. Materials and Methods: Three villages namely, Nerale (water fluoride 2.0 ppm), Belavadi (1.2 ppm) and Naganahally (0.4 ppm) were selected for the study. Then, a total of 405 children, 10–12-year-old (204 [50.4%] males and 201 [49.60%] females) were selected from three schools of the villages. Dean's fluorosis index recommended by World Health Organization was used to evaluate fluorosis among the study population. Results: The overall prevalence of dental fluorosis was found to be 41.73%. An increase in the community fluorosis index (CFI) was higher among those living in high water fluoride area. Conclusion: A significantly positive correlation was found between CFI and water fluoride concentration in drinking water.