Crest PRO-HEALTH Clinical Gum Protection Toothpaste is formulated with stabilized stannous fluoride to significantly improve gingival health. It has the highest level of antibacterial action provided from Crest PRO-HEALTH Toothpaste. Plus, it is clinically proven to help reverse gingivitis in 4 weeks.1 Benefits are in these areas dentists check most: gingivitis, plaque, sensitivity, caries, staining, calculus, and halitosis.