ICOP temporomandibular joint pain secondary temporomandibular joint pain 2025-06-18T17:46:47Z ICOP number: 3.2 Pain localized to the temporomandibular joint (TMJ) and caused by another identified disorder, such as inflammation (due, for example, to trauma, infection, crystal deposition or autoimmune disorder), sensitization of the tissues, structural changes (such as osteoarthrosis, disc displacement or subluxation) or injury. PMID:32103673 Ava E. Cunningham