Benefits Naturally powered by ARM & HAMMER™ Baking Soda for healthier teeth and gums: Neutralizes harmful acids before they damage teeth Penetrates between teeth and along the gum line for a deep clean Removes more plaque in hard to reach places than a regular toothpaste Liquid Calcium repairs enamel surface by filling in tiny crevices Fluoride cavity protection and enamel strengthening Sensitivity Reduction fixes the cause of sensitive teeth with Liquid Calcium™ Added Protection sealing teeth and protecting exposed nerves underneath