Open Access
ARTICLE
Correlations among core species corresponding to the clinical staging of periodontitis
1 Central Laboratory, Peking University School and Hospital of Stomatology, Beijing Key Laboratory of Digital Stomatology, National Center of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China
2 Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China
3 Second Clinical Division, Peking University School and Hospital of Stomatology, Beijing, China
4 Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
* Corresponding Authors: XIAOPEI CHI. Email: ; YIFEI ZHANG. Email:
# These authors have contributed equally to this work