MR imaging of the temporomandibular joint.

Technologic advances in MR imaging have had a decisive effect on the capacity of investigators to image the TMJ. This article provides a description of the normal anatomy and function of this joint. emphasizing the key imaging findings of internal derangement. A reading algorithm is given to achieve a systematic approach to the interpretation of a temporomandibular MR imaging study. Finally, a summary of key imaging findings of other miscellaneous pathologic processes involving this joint is provided.