Chen, Yanxi
Wang, Jingxi
Li, Ying
Li, Lingfeng
Luo, Nan
Wu, Yan
Dai, Hongwei
Zhou, Jianping
Article History
Received: 11 January 2022
Accepted: 16 May 2022
First Online: 23 May 2022
Declarations
:
: Ethical approval for this multi-cross-sectional comparative study was granted by the Stomatological Hospital of Chongqing Medical University Ethical Committee (NO.2021-026). All participants and their legal guardians or legally authorised representatives gave informed consent prior to participation. We confirm that all methods were performed in accordance with the relevant guidelines and regulations.
: All presentations of case reports must have consent for publication.
: The authors declare no conflicts of interest.