Affiliation: | ∗ Attending Doctor, Department of Oral and Maxillofacial Surgery, School of Stomatology, Peking University, Beijing, China;† Resident Doctor, Department of Oral and Maxillofacial Surgery, School of Stomatology, Peking University, Beijing, China;‡ Resident Doctor, Department of Oral and Maxillofacial Surgery, School of Stomatology, Peking University, Beijing, China;§ Professor, Department of Oral and Maxillofacial Surgery, School of Stomatology, Peking University, Beijing, China |