| 摘要 |
Novelty: a stable foam-like composition designed for the protection of teeth and gingivae is disclosed. Constitution: hydroxyapatite nanoparticles, sodium fluoride, quaternary ammonium salts, QAS, allantoin, plant extractions, surfactants for the creation of foam compatible to the above elements, and other components, optionally. Purpose: the invention aims at the protection of teeth and gingivae as well as at the maintenance and repair of the teeth enamel as well. |
