A new fossil study reveals that teeth began as skin sensors, helping explain why modern teeth still react painfully to cold ...

Do you wake up with a headache, jaw or ear pain, or sensitive teeth? You may be one of the 30% of adults who contend with ...

by Les Luchter, April 14, 2025 ; Consumers who experience tooth pain or discomfort from hot and cold drinks, sweets, acidic food, or pressure while brushing have a sensitivity problem, for which a ...

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.

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 ...

Sensory features on the armored exoskeletons of ancient fish may be the reason why humans have teeth that are sensitive to cold and other extremes. CNN values your feedback 1.

Sensitive teeth from ancient fish. Listen · 4:00 4:00. Transcript Toggle ... "All this extra anatomy," she says, "it's to sense pressure or to sense chemistry in the air or water." ...

The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago.