Fluoride:Double Edged Sword

Fluorine is a common element that does not occur in the elemental state in nature because of its high reactivity. It is of vital importance for humans as it maintains and solidifies the bones and also inhibits dental caries. It is abundant in the atmosphere and hence drinking water is the chief source of fluoride for individuals. It has been proved to be advantageous and at the same time it is toxic at higher concentrations has also been well recognized. Prevention can be done by supplying fluoride safe water by using defluoridation techniques. The purpose of the article is to review the various aspects of fluoride and its significance in human life.