Resident, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Sichuan, People's Republic of China. Professor, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Sichuan, People's Republic of China. Professor, Key Laboratory of Fermentation Engineering, Ministry of Education, Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, People's Republic of China. Professor, Department of Stomatology, Sichuan Medical Science Academy and Sichuan Provincial People's Hospital, Sichuan, People's Republic of China. Professor, State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Sichuan, People's Republic of China. Electronic address: lxh88866@scu.edu.cn.