Cheng, Yiting
Cheng, Li
Zhu, Fangzhi
Xiang, Yong
Duan, Shaoying
Luo, Jingjing
Lei, Lei
Cai, He
Hu, Tao
Article History
Received: 12 February 2023
Accepted: 5 December 2023
First Online: 15 December 2023
Declarations
:
: The present observational study was performed in accordance with the Declaration of Helsinki and followed the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guidelines for cross-sectional studies. This study was approved by the Stomatological Ethics Committee of the Chinese Stomatological Association and the Ethics Committee of West China Hospital of Stomatology, Sichuan University (Approval No. 2014–003). Informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.