Linked from
The 15 pages that link to Fluoride, each with the reason it gives.
ToothpasteRelated: It is the best-established toothpaste ingredient for reducing tooth decay.
Dental calculusRelated: Its principal preventive action concerns enamel decay, not calculus removal.
Fluorine chemistryRelated: Fluoride is the central ionic form in many inorganic fluorine reactions.
Lithium fluorideRelated: Fluoride supplies the negatively charged ions in LiF.
Magnesium fluorideRelated: Two fluoride anions balance each magnesium cation in MgF₂.
MouthwashRelated: Fluoride mouthrinses deliver this decay-preventing ingredient to tooth surfaces.