ADA accepted - American Dental Association. Fights cavities plus fights tartar build-up. Contains Fluoristat for effective cavity protection. Special tartar blockers provide clinically proven effective tartar prevention. Once formed, tartar can only be removed by dental cleaning. Crest tartar protections special tartar blockers help stop new tartar build-up before it forms. This product contains no sugar, like all ADA accepted toothpastes. Crest tartar protection toothpaste 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 professional care. It has been shown to reduce the formation of tartar above the gumline, but has not been shown to have a therapeutic effect on periodontal diseases. Council on Scientific Affairs - American Dental Association.