The temporomandibular joint (TMJ) is the hinge-like bone that connects your jaw and your skull. You can feel it moving by pressing your index fingers to your cheeks and opening and closing your mouth.

Trismus, also known as lockjaw, is caused by trauma or injury to the mastication (chewing) muscles. You need your mastication muscles for chewing your food and opening your mouth. Without it, it would ...

Every item on this page was chosen by a Town & Country editor. We may earn commission on some of the items you choose to buy. Beauty tools have quickly become the workhorses of skincare routines in ...

Lockjaw (trismus) is a painful condition that limits your ability to open your mouth all the way. It occurs when the muscles you use to chew spasm, meaning they can’t relax completely. The term ...

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. Without ...

Clenching your jaw and grinding your teeth can do a serious number on your teeth and jaw muscles. If you're a regular jaw-clencher, you're familiar with the soreness, tooth pain and maybe even ...