Abstract
Fluoride (F) is an essential trace element, but chronic exposure beyond the permissible limit (1.5 ppm) effectuates dental and skeletal fluorosis. Although 200 million people across the world are suffering from toxic manifestations of F, till now proper treatment is not available. In this study, we assessed the effectiveness of calcium and vitamin D supplementation for alleviation of fluorosis. Swiss albino mice were divided into 6 groups; group I—control group (received drinking water ˂ 0.5 ppm F; within the permissible limit), group II—treated with 15 ppm of sodium fluoride (NaF) for 4 months, group III—treated with 15 ppm of NaF for 8 months through drinking water. Group IV—orally treated with 15 ppm NaF for 4 months, thereafter received only drinking water for next 4 months, group V—orally treated with 15 ppm NaF for 4 months, thereafter received drinking water supplemented with calcium and vitamin D (2.5-g calcium kg−1 diet and 1000 IU vitamin D kg−1 diet) for next 4 months, and group VI was treated with 15 ppm of NaF through drinking water as well as supplemented with calcium and vitamin D for 4 months. NaF treatment caused dental fluorosis, skeletal fluorosis, and alteration of bone’s metal profile. Substitution of NaF-containing water with normal drinking water reduced the severity of fluorosis but supplementation of calcium and vitamin D effectively alleviated dental and skeletal fluorosis, reduced F deposition, and retained elemental homeostasis of the bone. Our findings strongly support that calcium and vitamin D act as redeemer of fluorosis.
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Acknowledgments
The authors convey their sincere gratitude to the Centre for Advanced Studies (CAS)-Phase II programme of University Grants Commission (UGC), New Delhi. ADB is thankful to DST-INSPIRE fellowship. PS is grateful to Meritorious Fellowship, UGC. PM is thankful for Junior Research Fellowship, Council of Scientific & Industrial Research (CSIR), India.
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Dey Bhowmik, A., Shaw, P., Mondal, P. et al. Calcium and Vitamin D Supplementation Effectively Alleviates Dental and Skeletal Fluorosis and Retain Elemental Homeostasis in Mice. Biol Trace Elem Res 199, 3035–3044 (2021). https://doi.org/10.1007/s12011-020-02435-x
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DOI: https://doi.org/10.1007/s12011-020-02435-x