Introduction: Like any other synovial joint. the temporomandibular joint (TMJ) can be involved in juvenile idiopathic arthritis. TMJ can be affected unilaterally and bilaterally at the beginning or during the course of the disease. and can also often be affected by the first and only affected joint. https://www.roneverhart.com/HGST-Ultrastar-7K6000-HUS726040ALS214-4TB-7-2K-RPM-SAS-12Gb-s-512n-128MB-3-5-SE-Hard-Drive/