1. Department of Oral and Maxillofacial Surgery Peking University School and Hospital of Stomatology Beijing China
2. National Clinical Research Center for Oral Diseases Beijing China
3. National Engineering Laboratory for Digital and Material Technology of Stomatology Beijing China
4. Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China
5. Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Affiliated to Shandong First Medical University Shandong China
6. Shanghai Stomotological Hospital Fudan University Shanghai China
7. The Second Outpatient Department Peking University School and Hospital of Stomatology Beijing China