Erosion-abrasion.
D002614:Chelating Agents; D003802:Dentifrices; D004032:Diet; D004781:Environmental Exposure; D006801:Humans; D009784:Occupational Diseases; D012463:Saliva; D014072:Tooth Abrasion / Q000517:prevention & control; D014077:Tooth Erosion / Q000517:prevention & control; D014099:Toothbrushing
D002614:Chelating Agents; D003802:Dentifrices