1. Department of Dental Implantology, School and Hospital of Stomatology, Jilin University, Changchun, Jilin Province 130021, China
2. Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital of Guangzhou Medical University, Guangzhou 510140, China
3. Department of Orthopaedics, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province 130033, China