Other Information: Products containing stannous fluoride may produce surface staining of the teeth. Adequate toothbrushing may prevent these stains which are not harmful or permanent and may be removed by your dentist. This Crest is specially formulated to help prevent staining. See your dentist regularly. Misc: For anticavity, antigingivitis and sensitive teeth. Cavities. Gingivitis. Acid erosion (acid erosion effects: acids in everyday foods can soften and thin enamel, leaving teeth less white, weaker, and sensitive). Sensitivity. Plaque. Tartar. Whitening. Freshens breath. www.pg.com. Healthier gums and stronger teeth (fights plaque and gingivitis. Strengthens enamel). Sensitive & enamel shield toothpast, like all Crest Pro-Health toothpastes: helps relieve and build increasing protection against painful tooth sensitivity; strengthens enamel and protects against enamel loss.