Evolutionary Trend of Dental Health Care Information on Chinese Social Media Platforms During 2018-2022: Retrospective Observational Study

Zhiyu Zhu   ^{1, 2} , BM ;   Zhiyun Ye   ² , BM ;   Qian Wang   ³ , BCM ;   Ruomei Li   ^{1, 2} , DDS, MD, PhD ;   Hairui Li   ^{1, 2} , MDS ;   Weiming Guo   ^{1, 2} , DDS, MD, PhD ;   Zhenxia Li   ^{1, 2} , DDS, MD, PhD ;   Lunguo Xia   ^{1, 2} , DDS, MD, PhD ;   Bing Fang   ^{1, 2} , DDS, MD, PhD

¹ Department of Orthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China

² College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China

³ School of Computing, National University of Singapore, Singapore, Singapore