Fluoride

Fluoride
The incorporation of fluoride into the hydroxyapatite crystal results in the formation of fluorapatite; this structural unit of the enamel has a lower solubility in acid media. The fluoride has a bacteriostatic effect and modifies the surface tension of the enamel, delaying the adhesion of microorganisms. It may be incorporated systemically, through milk, salt or water, or topically, using toothpastes, topical applications, mouthrinses, or by means of the dental restoration materials themselves (8)(45)(57).

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