Late-stage TMJ osteoarthritis complicated by calcification of articular disk: A case report and literature review

The causes and the process of the calcification of the articular disk of temporomandibular joints (TMJ) remains scientific problems to be solved, with only 5 cases been reported. Here, a case in which a 40-year-old female patient with the late-stage osteoarthritis of TMJ was presented. The patient came with a complaint of the chronic pain in both sides of preauricular zone lasted for about 6 months and was diagnosed as late-stage osteoarthritis of the left TMJ complicated with calcification of the articular disk, arthroedema of the right TMJ, and bilateral irreversible disc displacement after imaging examinations, including X-ray, CBCT, and MRI. A surgical intervention was performed the informed consent of the patient, after which the patient was able to open her mouth to 39 mm with only a slight deviation toward the right side and stated a relief of the constant pain.