| Affiliation: | 1. Department of Preventive Dentistry, Shanghai Stomatological Disease Center, Shanghai, China;2. Department of Oral Mucosal Diseases, Shanghai Key Laboratory of Stomatology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China;3. Shanghai Dental Diseases Prevention and Cure Center of YangPu District, Shanghai, China;4. Shanghai Dental Diseases Prevention and Cure Center of MinHang District, Shanghai, China;5. Department of Stomatology, Huashan Hospital, Fudan University, Shanghai, China |
