[1] Peking Univ Sch & Hosp Stomatol, Ctr Digital Dent, Dept Prosthodont, Clin Div 2, Beijing 100081, Peoples R China
[2] Natl Ctr Stomatol, Beijing 100081, Peoples R China
[3] Natl Clin Res Ctr Oral Dis, Beijing 100081, Peoples R China
[4] Natl Engn Res Ctr Oral Biomat & Digital Med Device, Beijing 100081, Peoples R China
[5] Beijing Key Lab Digital Stomatol, Beijing 100081, Peoples R China
[6] Minist Hlth, Res Ctr Engn & Technol Computerized Dent, Beijing 100081, Peoples R China
[7] Peking Univ Sch & Hosp Stomatol, Ctr Digital Dent, Dept Prosthodont, Beijing 100081, Peoples R China
[8] Peking Univ Sch & Hosp Stomatol, Clin Div 2, Beijing 100081, Peoples R China
[9] Peking Univ Sch & Hosp Stomatol, Denture Proc Ctr, Beijing 100081, Peoples R China