Like exposed dentin, "these roots can be very sensitive to temperature changes and touch ... of experiencing tooth ...

If you wake up with a headache, sore jaw muscles or achy teeth, you might be grinding your teeth at night or clenching your jaw. The condition — bruxism — is surprisingly common, experts say.

If the dentine becomes exposed, following tooth decay or gum disease for example, painful stimuli such as temperature or certain liquids will cause pain. The researchers studied mice and humans to ...