An 80-year-old lady presented incidental findings of unusual calcifications of the right TMJ. The red arrow shows a triangular opaque “beak” on the anterior surface of the condyle and two circular and one faint curvilinear opacity anterior to the condyle (3 orange arrows).

R TMJ joint mice

The latter are probably calcifications of the joint ligament capsule and/or possibly calcifications of the lateral pterygoid muscle. MRI would show better what tissues were involved. However, as the lady is asymptomatic no further investigation or treatment is required.

Dr Douglas K Benn DDS PhD
Oral and Maxillofacial Radiologist

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