Q: I had trouble opening my mouth wide when I was getting my teeth cleaned, and the hygienist said it could be TMJ. But my sister, who is a chiropractor, says she thinks it’s a muscle spasm. What is ...

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 ...

Your dentist may recommend a night guard or occlusal splint to protect your teeth from wear, reduce muscle tension and jaw clicking. These are acrylic or nylon appliances custom-made to fit over the ...

Discover essential information about temporomandibular joint disorders (TMDs), their causes, symptoms, diagnosis, and ...

Temporomandibular joint disorders (TMD) might cause the jaw to press on nerves that affect eye movement and contribute to vision issues, such as astigmatism, nearsightedness, and farsightedness. TMD ...