ORAL COMPOSITIONS

摘要

A dentifrice composition comprising: a) from about 5 % to about 50 % by weight of sodium bicarbonate; b) a soluble fluoride ion source in an amount sufficient to provide from about 10ppm to about 3500ppm of fluoride ion; c) at least about 1.5 % by weight of tetrasodium pyrophosphate, of which some or all of the tetrasodium pyrophosphate is in the form of undissolved anhydrous tetrasodium pyrophosphate particles; and d) from about 50 % to about 94 % dentifrice carrier materials; and wherein further said composition has a soluble pyrophosphate ion content in the range from about 1 to about 100ppm.