TMJ/ Open bite question and question about functional orthodontics!?

What would be the best method for correction of my TMJ problem and my open bite? I have already had braces and I do not want to go through that again. During my orthodontic treatment my tmj developed, so we did not use elastics or do anything to change my bite. I was researching and found something called a temporary anchorage device that can be used to correct open bites. I have had tmj and no pain for seven years. I went to see a different orthodontist who thinks I may have a tongue thrust, although we are not positive. He wants me to go to the ENT to make sure that my tonsils/adenoids/nose are not causing swallowing problems. I have asked my old orthodontist about my tonsils/adenoids potentially causing the open bite and he said that it's "hokus pokus." Anyways, the other orthodontist then wants me to wear a splint, go to myofunctional therapy, and do braces all over again. This seems very overwhelming. Is there a quicker/better way to achieve results?