Thanks for using healthcare magic.
I have gone through your available history.
Stress may be the cause of your symptoms but tempero-mandibular joint dislocation should be rule out.
You should consult your doctor to find out the exact cause of symptom.
As you are in stress, you should consult psychiatrist
for detailed evaluation and management. After confirming diagnosis, doctor may advise you to start anti depressant
drug like escitalopram or sertraline or may advise you to go for counselling and psychotherapy sessions.
You may get benefit by doing stress management
and relaxation exercise like yoga, meditation or breathing exercise