| 摘要 |
An oral composition is disclosed which comprises a stannous salt such as stannous fluoride, a water-soluble fluoride salt such as sodium fluoride and an orally acceptable acid such as L-ascorbic acid, lactic acid, malonic acid, tartaric acid, citric acid, hydrochloric acid and pyrophosphoric acid, the molar ratio of fluoride ion to stannous ion being in the range of 3.2 to 7:1, preferably 3.5-6:1, in an aqueous condition and the pH of the composition being in the range of from 2 to 4. The composition exhibits excellent effects on the inhibition of dental caries. |
