Introduction: Excessive intake of fluorides can lead to the development of fluorosis, a serious public health issue in India. The objective of this study was to assess the impact of community defluoridation in preventing fluorosis in Kaiwara village.
Methodology: This community interventional trial was conducted in Kaiwara village, Karnataka, after obtaining ethical clearance. The study included 903 participants; preintervention data were collected by recording the required parameters. The postinterventional study was carried out 2 years after installing the reverse osmosis plant. Data from pre- and post-intervention study were compared.
Results: Dean’s index showed no significant change in the pre- and post-intervention period for its various categories (P = 0.543). However, the mean urine fluoride levels were found to be decreased significantly (Wilcoxon Signed-Rank test, P < 0.001).
Conclusion: This study demonstrates the importance of providing defluorinated water to the village population as a potential solution for fluorosis.
Fluorosis is an endemic disease that has affected 70 million individuals and is prevalent in 22 states of India, particularly in parched parts of the country. The process of removal of harmful fluoride from water is called defluoridation. The world’s ground fluoride stores are estimated to be 85 million tons, of which almost 12 million tons are in India. As Kaiwara, a part of Chikkaballapur district, Karnataka, has no alternate source of water, it is dependent solely on groundwater through bore wells for its water supply.
Advanced defluoridation procedures have commenced in India. Nalgonda technique is one of them, which utilizes alum and lime combination in a two-step process. The process has disadvantages like the undesirable taste of treated water, high-cost maintenance, temperature, and the presence of silicate ions. Reverse osmosis (RO) established by Jean-Antoine Nollet in 1748 is presently the most effective method in terms of fluoride removal.
In a study conducted by Arvind et al. in Kaiwara and the villages under Kaiwara Primary Health Center, it was found that of the 1544 children examined, 42.1% and 8.4% had dental fluorosis and genu valgum, respectively, which clearly proved increased consumption of fluoride. This study is aimed to assess the impact of community defluoridation in Kaiwara, a village endemic for hydric fluorosis…
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*Read full-text study online at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7877423/