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: Fluoride toothpaste for anticavity, antigingivitis and sensitive teeth. Deep cleaning formula. 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. www.crest.com. Healthier gums and stronger teeth (Fights plaque and gingivitis. Strengthens enamel). This toothpaste contains Activclean Crystals for advanced stain prevention. Active strengthening toothpaste, like all Crest Pro-Health toothpastes: Strengthens teeth enamel on the inside; Protects the outside of teeth against acids in everyday foods (Acid Erosion Effects: Acids in everyday foods can soften and thin enamel, leaving teeth less white, weaker, and sensitive).