The initial thought of Crest's new "Be" toothpaste flavors left a sour taste in my mouth. Chocolate? Lime? Vanilla? None sounds particularly refreshing or clean, two qualities I tend to enjoy in ...

Can toothpaste stain teeth? That seems counterproductive as toothpaste is meant to clean teeth. Some brands even go so far as to brand themselves as "stain-fighting" or "stain-erasing." Featured Video ...