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Year : 2018  |  Volume : 7  |  Issue : 6  |  Page : 1222-1228

A comparative study of dental fluorosis and non-skeletal manifestations of fluorosis in areas with different water fluoride concentrations in rural Kolar

1 Department of Community Medicine, BGS Global Institute of Medical Sciences, Bengaluru, Karnataka, India
2 Department of Community Medicine, ESIC Medical College, PGIMSR and Model Hospital, Bengaluru, Karnataka, India

Correspondence Address:
Dr. N S Anil
Department of Community Medicine, ESIC Medical College, PGIMSR and Model Hospital, Rajajinagar, Bengaluru - 560 010, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jfmpc.jfmpc_72_18

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Background: Fluorosis is an endemic disease which results due to excess exposure to high fluoride from different sources. The climatic factors and dependency on ground water add to the risk of fluorosis in Kolar. In addition to it, the epidemiological studies conducted on fluorosis in Kolar are very few. Aims: (1) To estimate age-specific prevalence of dental fluorosis in the study population. (2) To determine the proportion of study subjects with non-skeletal manifestations of fluorosis (3) To assess and compare the influence of various socio-epidemiological factors in the occurrence of dental fluorosis among the study population in areas with high and normal fluoride. Methodology: A cross-sectional study was conducted among the residents of three randomly selected villages, Thimmasandra and Batwarahalli (high fluoride) and Maddinayakanahalli (normal fluoride) belonging to Bangarpet taluk, Kolar for 1 year. Dental fluorosis was assessed by the Dean's grading. Non-skeletal manifestations were elicited based on clinical features. Fluoride levels of drinking water sources were estimated by ion-electrode method. The Chi-square and Fisher's exact tests were used to see the difference in proportions and a P value of <0.05 was considered for statistical significance. Results: The prevalence of dental and non-skeletal fluorosis in the study groups with high and normal fluoride groups were 13.17%, 5.5%, 3.84%, 1.9%, respectively. The prevalence of dental fluorosis was significantly higher among the children and adolescents compared to adults (P < 0.05). Conclusion: Dental fluorosis is a public health problem mainly affecting children and adolescents in Bangarpet.

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