Published on in Vol 23, No 4 (2021): April
1 Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing, China
2 National Clinical Research Center for Oral Diseases, Peking University School and Hospital of Stomatology, Beijing, China
3 National Engineering Laboratory for Digital and Material Technology of Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
4 Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
5 NHC Key Laboratory of Digital technology of stomatology, Peking University School and Hospital of Stomatology, Beijing, China
6 The State Key Laboratory of Virtual Reality Technology and Systems, School of Computer Science and Engineering, Beihang University, Beijing, China
*these authors contributed equally