A study of prevalence of dental caries was undertaken in 5-13-year-old children from Mangalore city. A total of 524 children were examined. The sample consisted of 193, 160, and 171 children in the 5-7, 8-10 and 11-13 years of age group, respectively. Dental caries was examined visually and observations were recorded. Silness and L phie plaque index, L phie and Silness gingival index were used to record the periodontal status. The prevalence of dental caries was highest in 5-7-year-age group compared to 8-10 years and 11-13 years age groups. The increasing prevalence of dental caries needs dental health programmes, which target the specific segments of the population.

The prevalence of dental caries and treatment needs in the age group of 3-5 years was estimated among 1500 children of Hubli-Dharwad city. The attitude of mothers towards their children's oral health and its relation with caries prevalence was noted among 200 subjects. The prevalence of dental caries was 54.1%. The attitude of mothers towards children's oral health made a statistical difference in the mean dmft levels.

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Oratest, a caries activity test was performed on 48 school going children of Mangalore city to estimate efficacy of the test. High statistical significance was found when the means of control and test group were compared [gamma = 0.913]. The Oratest is found to be a simple chair side, less time consuming and inexpensive caries activity test.

Fuji VII, despite a high fluoride release, did not significantly recharge when exposed to a 1 000 ppm fluoridated dentifrice.