PREVALENCE OF DENTAL FLUOROSIS AND ITS ASSOCIATION WITH FLUORIDE CONTENT OF DRINKING WATER IN THE RURAL AREA OF DHARMAPURI DISTRICT, TAMILNADU
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2017, Vol 6, Issue 76
Abstract
BACKGROUND Ground water is the major source of freshwater, hence protection of groundwater is critical for the welfare of humankind. The people living in rural areas are more exposed, since there is no centrally supplied water in these areas. The major source of fluoride in ground water is the fluoride-bearing rocks. Dental fluorosis which manifests as discolouration of teeth and skeletal fluorosis which are endemic are most early biomarkers of fluoride toxicity. Dharmapuri district in Tamilnadu is one such region where high concentration of fluoride is present in ground water. The present study was done to determine the occurrence of dental fluorosis in children belonging to Avarankattur village, Dharmapuri district and correlate to the fluoride content of the drinking water and other related factors. MATERIALS AND METHODS Hundred children residing in Avarankattur village in Dharmapuri district were selected in the study as this area drinking water was found to have high fluoride content. The study was conducted in the Dental Department of Dharmapuri Medical College & Hospital. The inclusion criteria was to take children belonging to this particular village in the age group of 6-14 yrs. These children or their guardians were asked to fill a questionnaire after evaluation of dental fluorosis using Dean’s index. The data obtained was statistically analysed by chi-square test using the SPSS software version 16. RESULTS Children who consumed water from any ground source in that region had dental fluorosis. As per the estimation of fluoride done by TWAD, it was found that bore water with hand pump had the highest fluoride content of 6.1 mg/dL whereas the bore water with pressure pump had 5 mg/dL and the least was in well water which was 2 mg/dL. Thus, there is a significant correlation between the fluoride level in the drinking water and the occurrence of dental fluorosis. Dental fluorosis was seen almost in all the children and there was a definite correlation between the duration of stay and the presence of fluorosis. Dental fluorosis was found to occur in children who consumed black tea (71%) than those who did not consume black tea. Also among these children a higher percentage did not consume milk (96%) than those who did. There was a correlation between the usage of aluminium vessels for cooking and the occurrence of dental fluorosis which was statistically significant (P<0.000). CONCLUSION In accordance with the geological mapping done by Joshua Amarnath et al, children belonging to Avarankattur Village in Pappireddipatti showed significantly high prevalence of dental fluorosis. Thus, an awareness about the toxicity of fluoride need to be made to these people.
Authors and Affiliations
Snerghalatha Duraiswami, Vidya Albert Yen
Keywords
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- EP ID EP267476
- DOI 10.14260/Jemds/2017/1184
- Views 98
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