1. Department of Orthodontics National Engineering Laboratory for Digital and Material Technology of Stomatology Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China
2. Department of Periodontology National Engineering Laboratory for Digital and Material Technology of Stomatology Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of StomatologyHaidian District Beijing China
3. Department of Oral and Maxillofacial Surgery National Engineering Laboratory for Digital and Material Technology of Stomatology Beijing Key Laboratory of Digital Stomatology Peking University School and Hospital of Stomatology Beijing China