Fluoride is a compound that contains fluorine, a natural element, and is found in drinking water. Using small amounts of fluoride on a routine basis can help prevent tooth decay. Fluoride can be found as an active ingredient in many dental products such as toothpaste, mouth rinses, and varnish treatments.
Topical Fluoride Topical fluoride is a preventative agent applied to tooth enamel. Fluoride varnish is brushed or “painted” on the tooth enamel by the pediatric dentist or dental professional.