 - 1 traumatic TMD from external impact force, 2 history of traumatic cervical injury, 3 presence of systemic disease, 4 fibromyalgia, 5 co-interventions for cervical problems or TMD during study period, 6 signs of psychosomatic illness, 7 unwilling to be randomized, 8 unable to wear the splint or received intraoral myofascial release, 9pregnancy. 