A preparation containing not less than 71.2% of stannous tin and not less than 22.3% nor more than 25.5% of fluoride; used as a prophylactic against caries in dentistry.
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stannous fluoride n a white compound SnF2 of tin and fluorine used in toothpastes and oral rinses to prevent tooth decay
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[USP] a compound, SnF2, applied topically to the teeth as a dental caries prophylactic.Medical dictionary. 2011.