Try Crest Pro-Health Sensitive & Enamel Shield Toothpaste for Healthier Gums and Stronger Teeth. Crest Pro-Health Sensitivity & Enamel Shield Toothpaste, like all Crest Pro-Health Toothpastes, helps relieve and build protection against painful tooth sensitivity, and strengthens enamel and protects against enamel loss. Fights plaque and gingivitis. Strengthens enamel.