ARM & HAMMER Enamel Defense anticavity fluoride toothpaste is our enamel strengthening formula that is made with Liquid Calcium Technology that helps repair the enamel surface by filling tiny crevices and restoring tooth-strengthening minerals in the mouth. Naturally powered by 100% pure baking soda, our toothpastes go beyond cleaning, giving you stronger, healthier teeth and gums. Unlike regular fluoride toothpaste, our pure baking soda formulas penetrate deeper throughout your mouth, REMOVING UP TO 3X MORE PLAQUE in hard-to-reach places.* Best of all, we do this gently, and are less abrasive than other toothpastes.