Fluoride

A mineral that helps to prevent dental caries by strengthening tooth enamel (see teeth), making it more resistant to acid attacks. Fluoride may also reduce the acid-producing ability of microorganisms in plaque. In the UK, fluoride is added to the water supply; it can also be applied directly to the teeth as part of dental treatment or used in the form of mouthwashes or toothpastes. Ingestion of excess fluoride during tooth formation can lead to fluorosis.

 

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