Institution: | 1. State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China College of Stomatology, Sichuan University, Chengdu, China;2. Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China;3. Outpatient Department, Lode Dental Clinic, Xiamen, China |