Jaw locking is when the temporo-mandibular joint, aka: the TMJ (everyone has two) gets stuck out of position. Usually because one opens so wide that part of the joint on one's jaw (the condyle) gets stuck in front of the cartilage in the joint (disc) or bone in front of the joint's pivot point (the articular eminence). This is a highly complex and critical joint; if you have problems, consult a professional right away.
Specializes in Dentistry
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