Inorganic salts of hydrofluoric acid, HF, in which the fluorine atom is in the -1 oxidation state. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Sodium and stannous salts are commonly used in dentifrices.
Fluoride
D005460
Fluorides, Topical
Fluorides, usually in pastes or gels, used for topical application to reduce the incidence of DENTAL CARIES.