This 45-year-old female presents with limited range of motion for four months.
(QUIZ ANSWER) COMPLETE INTERNAL DERANGEMENT ON THE:
Using the diagnostic web viewer, we have provided images that assist in telling our clinical story. Areas of significance are indicated below.
On the right, the disc is anteriorly displaced on the closed-mouth datasets. Translation is demonstrated with recapture of the disc. Finding is consistent with partial internal derangement.
On the left, deformity or remodeling of the mandibular condyle is demonstrated. The disc is anteriorly displaced on the closed-mouth datasets. Only partial translation is demonstrated. No recapture is demonstrated. Finding is consistent with complete internal derangement. Disruption of the posterior band attachments on the left is demonstrated.
1. Complete internal derangement on the left with disruption of the posterior attachments and mild deformity or remodeling of the mandibular condyle.
2. Partial internal derangement on the right.
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Content reviewed: August 31, 2021