Fluoride is found in our food, soil, vegetation, etc. The significance of fluoride in drinking water has long been studied. Fluoride has both detrimental and beneficial effect on the environment. The beneficial effect of fluoride is its capability to help prevent dental cavities when an optimum amount is present. However, on the other side, long term consumption of water containing excessive amount of fluoride can lead to fluorosis of teeth and bones.

 Mylaudy, a village near Kanyakumari, is one of the places worst affected by dental fluorosis. Fluorosis has been prevalent in this area for about a decade. Hence, it was decided to analyse the fluoride ion concentration in drinking water in this area. Drinking water samples were collected from different sources. A door to door survey was conducted in the form of questionnaire. We have also arrived at certain important conclusions, which will be discussed.

Address: Sri Renganathan3 P., and Selvaraj4 V. Department of Chemistry, Manonmanian 
Sunderanar University, Tirunelveli 627012.Tamil Nadu. India. 
Department of Chemistry, SPK College, Alwarkurichi 627 412. Tamil Nadu. India. 
Department of Chemistry, Sivanthi 
Aditanar College, Pillayarpuram 629501. Tamil Nadu. India. 
Department of Chemistry, Morning Star Polytechnic,
Chunkankadai 629 807. Tamil Nadu. India.

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