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Dislocation of the Temporomandibular Joint
Educational only: videos on MedicalVideos.com are for general information and are not medical advice. Always consult your own doctor about your health.
The temporomandibular joint (TMJ), located just in front of the lower part of the ear, allows the lower jaw to move. The TMJ is a ball-and-socket joint, just like the hip or shoulder. When the mouth opens wide, the ball (called the condyle) comes out of the socket and moves forward, going back into place when the mouth closes. TMJ becomes dislocated when the condyle moves too far and gets stuck in front of a bony prominence called the articular eminence. The condyle can't move back into place. This happens most often when the ligaments that normally keep the condyle in place are somewhat loose, allowing the condyle to move beyond the articular eminence. The surrounding muscles often go into spasm and hold the condyle in the dislocated position.
This video in 30 seconds
This video explains dislocation of the temporomandibular joint, the joint in front of the lower part of the ear that allows the lower jaw to move. It describes how the condyle moves out of its socket when the mouth opens wide and can become stuck in front of the articular eminence.
Key points
- Describes the temporomandibular joint as a ball-and-socket joint located just in front of the lower part of the ear
- Explains the condyle comes out of the socket and moves forward when the mouth opens wide
- Explains dislocation occurs when the condyle moves too far and gets stuck in front of the articular eminence
- Notes loose ligaments can allow this movement and surrounding muscles often go into spasm holding the condyle in place
Video Overview
This video presents “Dislocation of the Temporomandibular Joint” — The temporomandibular joint (TMJ), located just in front of the lower part of the ear, allows the lower jaw to move. The TMJ is a ball-and-socket joint, just like the hip or shoulder. When the mouth opens wide, the ball (called the. Whether you are preparing for a procedure, studying the technique, or learning how a condition is assessed, the recording shows the process as it is performed in practice.
From our Orthopedics collection: Orthopedic surgery videos: fracture fixation, joint replacement, arthroscopy and trauma procedures performed by orthopedic surgeons. Browse all Orthopedics videos →
Educational content only — not a substitute for professional medical advice.
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