A new study from the University of Chicago suggests our sensitive teeth may be an evolutionary leftover that once helped our ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When ...

Why was that? Maybe it had to do with sensitivity. HARIDY: You know, our teeth are sensitive. DANIEL: And the structure she'd found in the armor of Anatolepis, the now arthropod, was for sensing.

Sensitive teeth can seriously limit the enjoyment of your favorite fare. So if ice cream meeting your tooth has you seeing stars, the layer beneath the surface of your tooth (called dentin ...

Sensodyne is our favorite toothpaste for sensitive teeth because of its gentle, non-abrasive formula. It uses sodium fluoride and potassium nitrate to remove bacteria, fight plaque and repair ...