Essay Archive - Fluoride
Fluoride
Fluoride is a mineral that occurs naturally in almost all foods and water
supplies. The fluoride ion comes from the element fluorine. Fluorine, the 13th
most abundant element in the earth's crust, is never encountered in its free
state in nature. It exists only in combination with other elements as a fluoride
compound. Fluoride is effective in preventing and reversing the early signs of
tooth decay. Researchers have shown that there are several ways through which
fluoride achieves its decay-preventive effects. It makes the tooth structure
stronger, so teeth are more resistant to acid attacks. Acid is formed when the
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