Ideally a CT scan should be done for the evaluation.
The following would help her:
A. Medicines;
1) Paracetamol
2) Anxiety reducing medicines; called as anxiolytics, will need prescription for it.
3) Non-steroidal anti-inflammatory drugs
4) Benzodiazepines
5) Muscle relaxants
B. Psychological interventions;
1) Cognitive behavior therapy (CBT)
2) Relaxation techniques
3) Stress management
C. Alternative therapies
1) Acupressure
2) Acupuncture
3) Massage
4) Hypnosis
D. Physical therapy modalities
1) Transcutaneous electrical stimulation
2) Iontophoresis
3) Phonophoresis
4) Biofeedback
5) Superficial and deep heat
6) Therapeutic exercise; like Lateral jaw movement, Protrusive jaw movement, Tongue-up exercise, Resisted opening, Resisted closing.
Please feel free for your follow up questions.