Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, 22 ZhongguancunNandajie, Haidian District, Beijing, 100081, People's Republic of China. Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, 100081, People's Republic of China. Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, 22 ZhongguancunNandajie, Haidian District, Beijing, 100081, People's Republic of China. zhoupeiru1989@163.com. Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, 22 ZhongguancunNandajie, Haidian District, Beijing, 100081, People's Republic of China. yzhimin96@163.com.