Question

an agent bused to clean the surface of teeth and their by decrease the tooth decaybmouth order bis
​

Answer 1

Answer:

"Fluoride is a naturally occurring element that prevents tooth decay when ingested systemically or applied to teeth topically. 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.

hope it helps you

mark me as brainliest