Modified abrasive system for dentifrices

摘要

Dentifrice possessing superior cleaning and polishing characteristics containing as the essential ingredients at least one hard abrasive in an amount to provide a radioactive enamel abrasion to the dentifrice of above about 400, such as calcined alumina, zirconium silicate, and the like, and a non-toxic zinc compound in an amount to provide at least about 0.0065% by weight of zinc to the dentifrice.