Two phase remineralising composition comprising a source of calcium ions and a source of phosphate ions with a water soluble polyphosphate salt

摘要

Described is a two phase remineralising composition comprising: a) an aqueous calcium phase comprising a water-soluble calcium salt providing from 0.05 to 10%, by weight of the calcium phase, of calcium ions, and b) an aqueous phosphate phase comprising a stabilising amount of a polyphosphate salt and a water-soluble phosphate salt providing from 0.05 to 10%, by weight of the phosphate phase, of phosphate ions; the two phases being kept separate until use, whereupon on mixing they provide a single phase having a pH from 2.0 to 5.0 and a molar ratio of calcium ions to phosphate ions of from 0.5:1 to 5:1 capable of remineralising teeth.