Complete Mouth Care for a Better Dental Check Up.* When using Crest Pro-Health Advanced with Extra Tartar Protection Mouthwash with Fluoride not only is your mouth protected against tartar build-up and cavities it also freshens breath fights unwanted surfaces stains and strengthens enamel. Fluoride helps prevent cavities while tartar fighting ingredients helps prevent surface stains. *strengthens enamel for a healthier mouth.