ICOP causally related to secondary temporomandibular joint pain temporomandibular joint pain attributed to arthritis 2025-07-01T17:52:37Z ICOP number: 3.2.1 TMJ pain caused by persistent inflammation of articular tissues (due, for example, to trauma, infection, crystal deposition or autoimmune disorder). TMJ pain is common in TMJ arthritis, but TMJ arthritis can be present without pain. PMID:32103673 inflammatory arthritis Ava E. Cunningham