Affiliation: | ? Consultant, Oral and Maxillofacial Surgeon, Department of Dental and Maxillofacial Surgery, State House Medical Centre, Abuja, Nigeria;† Chief Consultant, Oral and Maxillofacial Surgeon, Department of Dental and Maxillofacial Surgery, National Hospital, Abuja, Nigeria;‡ Associate Professor and Consultant, Oral and Maxillofacial Surgeon, Department of Oral and Maxillofacial Surgery, Lagos University Teaching Hospital, PMB 12003, Lagos, Nigeria |