Fluoride is a naturally occurring compound that is present in rocks,
soil, water, and in varying amounts in almost all foods. Fluoride is
also used in many consumer dental products such as toothpaste and mouth
rinses. Often called “nature’s way to prevent tooth decay,” fluoride
works topically and systemically. Applied topically, it strengthens
teeth and makes them resistant to decay. Ingested through food and
water, fluoride helps developing teeth emerge with a stronger, more
decayresistant outer layer.
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