ORAL HYGIENE COMPOSITIONS

摘要

An oral hygiene composition in the form of a dentifrice or mouthwash, comprising; (a) an aqueous solution containing hydrogen citrate ions and fluoride ions in a weight ratio from 10:1 to 500:1 and (b) an orally acceptable carrier, the concentration of hydrogen citrate ions in the composition being from 10-3 to 10-1M in a mouthwash, or from 4 x 10-3M to 4 x 10-1M in a dentifrice, and the pH of the composition being less than 7.