The field of Orofacial Pain is concerned with the prevention, evaluation, diagnosis, treatment, and rehabilitation of orofacial pain disorders. Such disorders may have pain and associated symptoms arising from a discrete cause. Such as postoperative pain or pain associated with malignancy. or may be syndromes in which pain constitutes the primary problem. such as TMJ disorder pain, neuropathic pains, or headaches. The diagnosis of painful syndromes may rely on the interpretation of historical data: a review of laboratory studies. imaging, behavioral, social, and occupational assessment: interview and examination b the orofacial pain provider. The orofacial pain provider serves as a consultant to other dentists and physicians but is often the principal treating health care provider and may provide care at various levels. such as direct treatment, and prescribing medication. prescribing rehabilitative services. performing pain-relieving procedures. counseling of patients and families, providing direction of a multidisciplinary team. providing coordination of care with other healthcare providers and providing consultative services to public and private agencies according to optimal healthcare delivery to the patient suffering from a painful disorder.