Tmj or tmd how or why does this develops what's causes u to have this stress? i no when i open my mouth all the way i hear a pop & has & ear pain

Too Complicated : Tmj/tmd can be a symptom of stressful clenching or grinding of one's dentition. In stressful situations, many people develop these types of habits, causing undue pressure on the joint itself. Seeing a professional with experience in treating tmd/mfd is the best way to get relief.

Popping and TMJ: Popping with the tmj/tmj's usually signifies a displaced articular disk (forward.) not sure if you also have locking of the jaw- closed lock meaning limited opening; open lock- can't close.) need to see your dentist or TMJ specialist as your problem may become worse.

See TMJ expert: You have asked a series of questions that would take more space than allowed here. Best to see a TMj expert for advice. Any dentist can be a TMJ expert with the proper training and experience. Most commonly, oral surgeons, prosthodontists, and orofacial pain specialists. Ask your MD, your dentist and your dental society for referrals.