Temporomandibular joint disc calcification: case report and literature review

Abstract

Objective To analysis the clinical and image features of temporomandibular joint (TMJ) disc calcifica⁃ tion. Methods The patients diagnosed with TMJ disc calcification treated in School and Hospital of Stomatology, Wu⁃ han University in the latest 10 years were collected, clinical symptom and images of these cases were analyzed, and the published literatures of TMJ disc calcification were reviewed. Results Total 2 cases of TMJ disc calcification with com⁃ plete clinical data were analyzed. The symptom included mouth opening limitation, TMJ pain, open bite of the affected side molar. Calcified body were found through X ⁃ ray examination. Joint disc perforation were found during the surgery. The discs showed calcified features. Collagen hyperplasia, cartilage cells generation and calcification were found in the disc through pathological examination. Conclusion The diagnosis of TMJ disc calcification should be combined the symptom, image features and the surgery, it should be differentiated with TMJ osteoma and synovial membrane chondro⁃ masis.

Keywords

• Temporomandibular joint
• Joint disc
• Calcification
• X⁃ray examination
• Pathological examination