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Does fluoride need to be swallowed in order to prevent tooth decay?

April 26, 2017decay fluoride swallowed tooth

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Does fluoride need to be swallowed in order to prevent tooth decay?

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10 Posted

NO. Most dental researchers now concede that fluoride’s main benefit comes from direct contact with the outside of teeth (a “topical” effect), and not from ingestion (a “systemic” effect). There is no need to swallow fluoride to prevent tooth decay.