A oral and maxillofacial surgeon is a type of doctor that specializes in diagnosing, treating, and surgically treating diseases and disorders related to the head, neck, face, jaws, and the hard and soft tissues of the oral and maxillofacial region. They are often involved in the diagnosis and treatment of facial trauma, the removal of impacted teeth, treating cleft lip and palate, correcting jaw problems, and performing reconstructive and cosmetic surgery.