N. A. KAMBLE.pmd
نویسنده
چکیده
The well being of human depends on quality of drinking water. Consumption of water containing excess fluoride over a long period of time results in fluorosis. Ramaraju et al., (2000). Investigations of Wood, (1974) showed that, the intake of fluoride is permissible upto 0.5-1.0 mg/L which is beneficial to human health. The maximum allowable concentration for fluoride in drinking water in Indian conditions comes to 1.4 mg/L while as per Indian standard it is 1.5 mg/L. The fluoride concentrations in human being and in animals depends on consumption of water and also changes according to climatic conditions (Suthar et al., 2008). Choubisa, (1999) concluded that excessive intake of fluoride causes dental, skeletal fluorosis which is the chronic diseases manifested by mottling teeth, softening of bones etc. Interpretation of Riggins et al., (1976) was that, the fluoride ion can replace the hydroxyl group in the calcium hydroxyapatite crystal to form calcium fluoroapatite, which alters the normal remodeling cycle of bone.
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