Part one of term paper
is a mineral that occurs naturally in almost all foods and water supplies. The 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 compound. is effective in preventing and reversing the e ...

Part two of term paper
... attacks break down the tooth, which causes cavities. Fluoride also acts to repair areas in which acid attacks have already begun. The remineralization effect of fluoride is important because it reverses the early decay process as well as creating a tooth surface that is more resistant to decay. Community water fluoridation is the adjustment of the amount of the beneficial trace element fluoride found in water to provide for the proper protection of teeth. Fluoridation has been widely utilized in th ...