2nd Dental Center, School and Hospital of Stomatology, Peking University, Beijing 100081, China;
2nd Dental Center, School and Hospital of Stomatology, Peking University, Beijing 100081, China;
2nd Dental Center, School and Hospital of Stomatology, Peking University, Beijing 100081, China;
2nd Dental Center, School and Hospital of Stomatology, Peking University, Beijing 100081, China;
National Engineering Laboratory for Digital and Material Technology of Stomatology, School and Hospital of Stomatology, Peking University, Beijing 100081, China;
National Engineering Laboratory for Digital and Material Technology of Stomatology, School and Hospital of Stomatology, Peking University, Beijing 100081, China;
National Engineering Laboratory for Digital and Material Technology of Stomatology, School and Hospital of Stomatology, Peking University, Beijing 100081, China;