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Radiology, Vol 150, 105-110, Copyright © 1984 by Radiological Society of North America

ARTICLES

Temporomandibular joints: high-resolution computed tomographic evaluation

JR Thompson, E Christiansen, AN Hasso and DB Hinshaw Jr

High-resolution computed tomography of the temporomandibular joint (TMJ) was performed in 43 patients. Exquisite detail of the face, skull base, and TMJs was obtained with CT using soft tissue and bone algorithms, narrow collimation, and multiplanar images. In 10 patients clinically suspected of joint derangement, CT results were in close agreement with surgical findings and arthrography in 13/15 joints. CT showed indirect signs of disc dislocation, and the dislocated disc itself in 81% of affected joints. In two patients, arthrography with CT proved to be more helpful than conventional arthrography alone. CT without intra-articular contrast material provided information not appreciated on conventional radiographs in 28 patients (65%) and was particularly helpful in evaluating patients with disc pathosis and trauma. Early experience with CT of the TMJ shows that it is an excellent method of evaluation at acceptable radiation exposure levels that adds essential information not seen on standard radiographs.


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S. XIANG, J. REBELLATO, C. Y. INWARDS, and E. E. KELLER
Malocclusion associated with osteocartilaginous loose bodies of the temporomandibular joint
J Am Dent Assoc, April 1, 2005; 136(4): 484 - 489.
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