Oral and maxillofacial surgery is the specialty of dentistry that includes the diagnosis, surgical and related treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the head, mouth, teeth, gums, jaws, and neck. Oral and maxillofacial surgeons care for patients who experience such conditions as problem wisdom teeth, facial pain, and dental implants. They perform oral surgery, dental implant surgery, and care for patients with tumors and cysts of the jaws. They also treat functional and esthetic conditions of the maxillofacial area. Their training includes a four-year graduate degree in dentistry and the completion of a minimum four-year hospital surgical residency program. With specialized knowledge in pain control and advanced training in anesthesia, the oral and maxillofacial surgeon is able to provide quality care with maximum patient comfort and safety in the office and hospital settings.