1. Department of Oral Pathology Peking University School and Hospital of Stomatology National Center of Stomatology Beijing 100081 PR China
2. National Clinical Research Center for Oral Diseases National Engineering Research Center of Oral Biomaterials and Digital Medical Devices Beijing 100081 PR China
3. Research Unit of Precision Pathologic Diagnosis in Tumors of the Oral and Maxillofacial Regions Chinese Academy of Medical Sciences (2019RU034) Beijing 100081 PR China