Received: 10 November 2021
Accepted: 3 May 2022
First Online: 17 May 2022
: The study was approved by the Ethics Committee of the School of Stomatology, Shanxi Medical University (No. 2020SLL007). Written informed consent was obtained from all participants. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.