Four-dimensional computed tomography evaluation of condylar movement in a patient with temporomandibular joint osteoarthritis

Temporomandibular joint osteoarthritis (TMJ-OA) is a disease of the bone, cartilage, and supporting tissues of the joint. Patients with advanced TMJ-OA often suffer from symptoms such as pain, swelling, and joint dysfunction, and sometimes required surgical intervention when conservative treatment is not effective. The etiology of TMJ-OA remains elusive. The usefulness of four-dimensional computed tomography (4DCT) in motion analyses of various joints has been recently reported. This article introduces a novel imaging technique of 4DCT which aims to identify kinematic features that may be associated with the etiology of TMJ-OA.

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