Gum problems are the root of some key oral health issues, use Crest Gum & Enamel Repair toothpaste to prevent gingivitis while receiving the benefits of Crest. Clinically proven to help reverse gingivitis. It targets the gumline to kill plaque germs and penetrates the tooth’s surface to repair weakened enamel for healthier teeth and gums. Works with Crest Mouthwash, Crest Whitestrips, Oral-B Floss, and Oral-B Electric Toothbrushes. Crest Gum & Enamel Repair toothpaste formulated for Intensive Clean Treats issues at the gumline to help reverse gum problems Clinically proven to help reverse gingivitis and fight off plaque bacteria Penetrates tooth surface to repair weakened enamel Clinically proven enamel protection ingredient.