1. State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No 14th, 3rd section, Renmin South Road, Chengdu, 610041, China
2. Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No 14th, 3rd section, Renmin South Road, Chengdu, 610041, China
3. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China
4. Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, No 14th, 3rd section, Renmin South Road, Chengdu, 610041, China