While many of us pine for toothpaste-commercial-white teeth as much as we do symmetrical features or a thick head of hair, the desire for a brighter smile isn't just a matter of vanity. Research ...

Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure—and yes, pain—as we bite and chew ...