We break down clinical and slang TMJ terms in plain language. From anatomy to advocacy, this glossary helps you understand your condition—and talk about it with confidence.
The technical term for grinding your teeth—often unconsciously due to stress, sleep disorders, or jaw misalignment.
The rounded end of your jawbone that acts like a ball in the socket. Moves every time you talk, chew, or yawn.
The crunchy, popping, or crackling noise your jaw makes when it moves. Often a sign something’s not quite right.
The socket the condyle rests in. If this “ball and socket” joint misaligns, you may get pain, clicking, or locking.
A rally cry in the TMJ community pushing back against gaslighting and minimization by healthcare providers.
OMJ’s unofficial mascot—a playful reminder to “stick your neck out” and raise awareness for TMJ issues.
A patient-advocate who shares their TMJ journey to drive awareness, challenge stigma, and inform better care.
Your lower jawbone—the one that moves. Key player in chewing, talking, and pretty much everything.
The upper jaw that doesn’t move. It forms your face shape and anchors your upper teeth.
The lubricant for your jaw joint. Too much or too little can lead to inflammation, pain, and stiffness.
Also known as “lockjaw,” this refers to limited jaw opening or tightness due to joint or muscle dysfunction.
Temporomandibular Joint. The hinge that connects your jaw to your skull—yes, it’s an actual joint, not just a disorder.
Temporomandibular Disorder. The umbrella term for dysfunctions, pain, and inflammation of the TMJ.
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