Jaw locking, also known as jaw lock or TMJ locking, can be painful and alarming. This article explains why our jaw might lock ...

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 ...

Teeth that are unusually worn down can also be a sign of acid reflux. This causes stomach acid to seep into the mouth, which ...

An 11-year-old boy’s painful chronic lockjaw may have been triggered by conversion disorder, a mental health condition that causes physical symptoms, according to a case report published on April 7 in ...

Tetanus, a dreaded bacterial infection, used to be a terror of the world. Frequently fatal, its first sign was the stiffening of the jaw that rendered the sufferer ...