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Context: Dental fluorosis is common and one of the major public health problems in India. It is endemic in 15 states, and about 62 million people in India suffer from dental and skeletal fluorosis. Aims: To explore the relation between body mass index (BMI), dental caries and periodontal status with fluorosis in different fluoridated areas of Haryana, India. Settings and Design: A total sample of 2047 children was taken. Five and 12 years old school going children were randomly chosen from two areas having different fluoride level. Materials and Methods: Caries data among 5 years old children and clinical data encompassing dental caries, fluorosis and periodontal status from 12 years old children using modified World Health Organization Oral Health Assessment Form (1997) were obtained. Height and weight of each child were recorded. Multivariate analysis was also carried out to evaluate the association between various risk factors such as type of school, area and BMI with fluorosis. Statistical Analysis Used: Spearman's rho test was used for calculating the linear relation between BMI and fluorosis. However, one-way analysis of variance and Kruskal-Wallis tests were used for co-relating dental caries and periodontal status with fluorosis, respectively. Results: A virtually nonexisting and negative correlation was observed between BMI and fluorosis scores (p = -0.027), which was nonsignificant. Regarding periodontal status, a weak but significant association was seen with fluoride scores (p =0.224; P < 0.001). However, no statistical significant association was found between dental caries and fluorosis. Conclusion: High fluoride seems to be a risk factor for oral health rather having its protective effect. [ABSTRACT FROM AUTHOR]