Advance to Healthier Gums and Stronger Teeth with Crest Pro-Health Sensitive & Enamel Shield Toothpaste* . This toothpaste builds increasing protection against painful tooth sensitivity. It also binds to and strengthens tooth enamel and protects against enamel loss.*Fights plaque and gingivitis. Strengthens enamel.www.crest.com. Protects against painful tooth sensitivity. Binds to and strengthens enamel. Protects against enamel loss; Healthier gums by preventing gingivitis.