Cavity Protection. Fluoride Anticavity Toothpaste. Fights cavities with clinically proven Fluoristat®. Fluoristat is a trademark for a proven decay-preventive composition . Fights Cavities on Teeth and Exposed Roots, a Highly Vulnerable Part of Your Permanent Teeth As You Age. 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. This product contains no sugar, like all ADA accepted toothpastes. Questions?