1. Department of Implantology State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu People's Republic of China
2. State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Faculty of Dental Technology, West China Hospital of Stomatology, Sichuan University Chengdu People's Republic of China