Annals of Tropical Medicine and Public Health
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Year : 2013  |  Volume : 6  |  Issue : 4  |  Page : 422-429

Prevalence of dental caries and dental fluorosis among 12 and15 year-old school children in an endemic fluoride area of Nalgonda district, Andhra Pradesh, India

1 Department of Public Health Dentistry, Government Dental College and Hospital, Hyderabad, India
2 Department of Public Health Dentistry, Sri Sai College of Dental Surgery, Vikarabad, India
3 People's Dental Academy, Bhanpur, Bhopal, Madhya Pradesh, India

Correspondence Address:
B R Chandra Shekar
Department of Public Health Dentistry, People's Dental Academy, Bhanpur, Bhopal - 462 037, Madhya Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1755-6783.127785

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Introduction: The published literature on the prevalence of dental caries and fluorosis in Nalgonda district, an endemic fluoride belt in India was scanty. Objective: To determine the prevalence of dental caries and dental fluorosis among 12 and 15 years old school children in relation to fluoride concentration in Nalgonda district. Materials and Methods: Stratified random sampling technique was employed to select 20 schools from Nalgonda district. These areas were divided into four categories, low, medium, high and very high fluoride areas based on the fluoride concentration. The oral examination for dental caries and fluorosis among children who fulfilled the inclusion and exclusion criteria were conducted by a single trained and calibrated examiner using mouth mirror and CPI (Community Periodontal Index) probe under natural daylight. The data analysis was done using Statistical Package for Social Sciences SPSS version 16. Results: The prevalence of dental caries among 12 and 15 year old school children was 42.6% and 48.6% respectively. The prevalence was more among females (56.9%) than males (34.2%). The prevalence was more in low fluoride area (67%) followed by very high fluoride area (56.1%). The lowest prevalence was in medium fluoride area (20.5%). The prevalence of dental fluorosis increased with increasing fluoride concentration with no difference in the gender and age distribution. Conclusion: Defluoridation of water in areas where the concentration of fluoride is more than optimal is an immediate need as dental fluorosis is a major public health problem in these areas.

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