The speciality of Oral & Maxillo-facial surgery is the part of Dental practice that involves the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects affecting the mouth, face and jaws. The scope of this branch includes wisdom teeth surgery, fractures of the jaw bone, cheek bone, orbit, nose and forehead, diseases of temperomandibular joint, infection of the mouth and face, cancer of the mouth and jaws, Orthognathic surgery and reconstructive surgery for face and jaws. It also includes the treatment of teeth related diseases of maxillary sinus like Oro antral fistula and diseases of salivary glands.