Fights cavities on teeth and roots. ADA accepted - American Dental Association. Fights cavities on teeth and exposed roots, a highly vulnerable part of your permanent teeth as you age. This product contains no sugar, like all ADA accepted toothpastes. Fights cavities with clinically proven Fluoristat. Fluoristat is a trademark for a proven decay-preventive composition (active ingredient: sodium fluoride). Crest has been shown to be an effective decay-preventive dentifrice that can be of significant value when used as directed in a conscientiously applied program of oral hygiene and regular professional care. Council on Scientific Affairs - American Dental Association.