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Case 34921

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Referral category

Temporomandibular joints (TMJ)

Region of interest

TMJ

Referral reason

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Canaray 34921

Normal left TMJ

The osseous structures of the left temporomandibular joint appear normal. In the mandibular closed position, the condylar head is centrally positioned in the glenoid fossa, and the joint space appears normal.

1. Degenerative joint disease in right TMJ

An osteophyte has formed on the anterior surface of the right condylar head. Significant flattening of the superior surface of the condylar head has occurred. In the mandibular closed position, the condylar head is centrally positioned in the glenoid fossa, and the joint space is normal. This radiographic appearance is suggestive of degenerative joint disease in the right temporomandibular joint.

Normal left TMJ in mandibular open position

In the mandibular open position, the left condylar head is normally positioned at the crest of the articular eminence.

Posteriorly positioned right condylar head in mandibular open position

In the mandibular open position, the right condylar head is positioned posteriorly to the crest of the flattened articular eminence. This is suggestive of a possible non-reducing anteriorly displaced disc.

2. Fractured tooth 16

The palatal root of tooth 16 exhibits a widened periodontal ligament space on its mesiobuccal surface. The source of this widening may be a root fracture.

3. Furcal bone loss on tooth 26

Tooth 26 exhibits furcal periodontal bone loss on its palatal root surface that extends to the midroot level.

4. Shotgun pellets embedded in facial soft tissue

Two round metal pellets are embedded within the soft tissue of the face. One pellet is positioned laterally to the right nostril, and the second pellet is positioned in the inferior left buccal region.