In vitro removal of stain with dentifrices.
D000818:Animals; D002131:Calcium Pyrophosphate / Q000627:therapeutic use; D002417:Cattle; D003802:Dentifrices / Q000627:therapeutic use*; D014075:Tooth Discoloration / Q000209:etiology / Q000628:therapy*; D014099:Toothbrushing
D003802:Dentifrices; D002131:Calcium Pyrophosphate