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Referral details

Case 99254

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Referral category

Temporomandibular joints (TMJ)

Region of interest

TMJ screening

Referral reason

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Canaray 99254

Normal TMJs in mandibular closed position

In the mandibular closed position, both condylar heads are centrally positioned in the glenoid fossae. This is normal. The superior surface of the right condylar head is slightly irregular, which may be suggestive of an early degenerative change. The left temporomandibular joint does not exhibit any osseous pathology.

No translation of condylar heads in mandibular open position

In the mandibular open position, the incisors are separated by 26 mm. No translation of the condylar heads has occurred, however. This suggests that the soft tissues of the joint are deranged. It is possible that a non-reducing anteriorly displaced articular disc is present in at least one joint. The soft tissues of the joint are best visualized with MRI, which can be ordered by the patient's physician.

Demonstration of absence of condylar head translation in mandibular open position

The condylar heads are centrally positioned in the glenoid fossae during maximal opening. No translation of the joints has occurred. The space between the incisal edges of the teeth is 26 mm in maximal opening.

1. Calcified stylohyoid ligaments

The stylohyoid ligaments are partially calcified bilaterally. This is an incidental finding with no clinical significance.