A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.

A few years ago, I started to notice that biting into hot foods sent a chill down my spine, and even drinking ice-cold beverages was almost unbearable — all due to what I could only imagine was the ...

Teeth whitening is one of the quickest ways to brighten your smile, but anyone who has tried strips, gels, or professional treatments knows the feeling: a sudden, sharp zing that shoots through a ...

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 ...