Is my TM joint fine or disc displaced?

I have constant sore and burning pain in the lower jaw under earlobe and neck for 11 months now. been to dentist and ent. have lump like spot on the neck which is hard to touch and small size. had ultrasound and CT scan. no abnormalities found. constant pain in jaw under ear and neck, under the jawline and inside the throat. it's like constant Burning, sore and achy. its like poking through the throat. hurts constantly. I got ct scan of neck and cbct scan of tmj. does it show any abnormalities in the Tmj? is my disc displaced? I hear clicking sound when I open the mouth. I also hear some grating sound in the lower jaw if I move my mouth side to side. constant burning and sore pain. feel like something poking in the throat,only on right side. able to swallow. OMFS said to do physical therapy.do I need to see tmj specialist and get splint? or Physical therapy alone will help? Currently on amitriptyline medicine for this pain. no changes in that constant pain under the ear, throat,neck.