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ORIGINAL ARTICLE
Year : 2012  |  Volume : 3  |  Issue : 3  |  Page : 170-174

A study of prevalence and severity of dental fluorosis among school children in a Northern hilly state of India


1 Department of Pedodontics and Preventive Dentistry, Himachal Dental College and Hospital, Shimla, Himachal Pradesh, India
2 Department of Community Medicine, Indira Gandhi Medical College and Hospital, Shimla, Himachal Pradesh, India
3 Department of Pedodontics and Preventive Dentistry, Himachal Dental College, Sunder Nagar, Shimla, Himachal Pradesh, India

Correspondence Address:
Deepak Chauhan
Department of Pedodontics and Preventive Dentistry, H.P. Government Dental College, Shimla, Himachal Pradesh
India
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DOI: 10.4103/0976-433X.107395

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Background: Dental fluorosis is a major public health problem in 15 states of India. Himachal Pradesh has considerable amount of problem though not an endemic zone for dental fluorosis. Aims: To determine the prevalence and severity of dental fluorosis using Dean's index among school going children of rural and urban areas. Settings and Design: A cross sectional study was conducted among the students in the age group of 5, 9 and 12 years from rural and urban areas of six district of Himachal Pradesh in the year 2009 to 2010. Materials and Methods: A total of 1,800 school children of both sexes from randomly selected schools were examined as per the WHO survey proforma to identify the presence of dental fluorosis and grade it using Dean's index. Statistical Analysis Used: SPSS 15.0 was used. Data expressed as proportions and test applied was Chi-square test. Results: Out of these total 1,800 children, 973 were boys and 827 were girls. Of them, 612, 564 and 624 children belonged to the age groups of 5, 9 and 12 years, respectively. The overall prevalence of dental fluorosis was 4.1%. The prevalence ranged from highest 7% in district Shimla to lowest 1.7% in district Sirmour (P < 0.002). Dental fluorosis was equally distributed in rural and urban areas of six districts but was more common among girls than boys. The trend of increase in prevalence was observed with increase in age (P < 0.00002). Conclusions: A well-designed epidemiological study should be undertaken to evaluate the risk factors associated with the condition in the study region.


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