Misc: Helps prevent tartar & cavities. ADA accepted: American Dental Association. The ADA Council on Scientific Affairs' Acceptance of Crest Tartar Protection regular paste is based on its finding that the product is effective in helping to prevent and reduce tooth decay, when used as directed. Crest recommends Oral-B toothbrushes. www.crest.com. Fights cavities plus fights tartar build-up. Contains Fluoristat for effective cavity protection. Special tartar blocker provides effective tartar protection. Once formed, tartar can only be removed by dental cleaning. Crest Tartar Protection's special tartar blocker helps stop new tartar build-up before it forms.