chickenpox, e.g.
Hard brushing. Gum disease. Using a tooth brush that is not soft or ultra soft. Gum recession can be also caused by an inflammation and tooth displacement. Here's a video that explains gum recession:...
if you have constant high blood sugar, the capilaries in your body break down. can cause them to hurt. bad for you!!!
Cigarettes and other tobacco products.
because your gum is to soft or it will not make your teeth strong it mite just fall out
Yes. Pressure can build up in the sinuses causing pain that can be felt as if it were in the jaw area.