Tooth enamel (fluoride-mediated remineralization)

Fluoride-mediated tooth enamel remineralization refers to the biochemical process by which fluoride ions interact with demineralized tooth enamel to convert hydroxyapatite into fluorapatite, a mineral phase that is less soluble and more resistant to acid attack. This process helps repair early lesions of dental caries before cavitation and enhances the hardness and acid-resistance of enamel. The topical use of fluoride—via water fluoridation, toothpastes, mouthrinses, and varnishes—has been extensively demonstrated to (1) inhibit demineralization, (2) promote remineralization, and (3) exhibit mild antibacterial actions against caries-causing bacteria. Fluoride is not a receptor, transporter, or enzyme, and tooth enamel is not a molecular target in the classical sense, but rather a tissue substrate; thus, this is not considered a conventional therapeutic target like a receptor or enzyme but instead denotes a tissue-level mechanism of action for caries prevention and dental health.[1][2][3][5][6][7][8] Further clarification: - The query as stated ("Tooth enamel remineralization via fluoride ion") refers to a process, not a molecular target such as a receptor, enzyme, or transporter; thus, it is not a therapeutic "target" in pharmacological terms and should be classified as "is_target: false" and "is_incorrect: true" per conventions 5 and 11. - The true molecular target, if required for drug-action mapping, would be "Tooth enamel hydroxyapatite" as the substrate for fluoride action. Fluoride does not bind a discrete protein or classical molecular target but instead effects physicochemical modification of the mineralized matrix.

Other names

Tooth enamelDental enamelFluoride-mediated enamel remineralization

Formation of fluorapatite in enamel by exchange of hydroxyl groups in hydroxyapatite with fluoride ions; enhancement of remineralization and inhibition of demineralization by forming a more acid-resistant mineral phase; inhibition of bacterial metabolism by interfering with glycolytic enzymes[1][2][3][7][8]