Article History
Received: 29 March 2022
Accepted: 2 October 2022
First Online: 19 October 2022
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki. This study was conducted with approval from the Ethics Committee of Hefei stomatological hospital (NO. 2021–201010). Written informed consent was obtained from all parents/local guardians for participants.
: The manuscript is not submitted for publication or consideration elsewhere.
: The authors declare no competing interests.