Affiliation: | 1. Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China Institute of Oral Precancerous Lesions, Central South University, Changsha, Hunan, China;2. Department of Oral and Maxillofacial Surgery, Center of Stomatology, Xiangya Hospital, Central South University, Changsha, Hunan, China |