Hu, Xiao
Fan, Xiaoyu
Tian, Jiangang
Zhang, Bin
Huang, Ruizhe
Article History
Received: 6 April 2022
Accepted: 11 January 2023
First Online: 30 January 2023
Declarations
:
: Favorable ethnical opinion was obtained from College of Stomatology, Xi’an Jiaotong University which number is 918. All subjects provided written informed consent, and they all had been given the opportunity to opt-out of the trial. Written Informed consent was obtained from all participants and for minors was obtained from parent/ legal guardians. All methods were carried out in accordance with relevant guidelines and regulations. The survey was approved by the ethics committee of the College of Stomatology, Xi’an Jiaotong University. All subjects’ rights were protected, and all data was kept confidential.
: Not applicable.
: The authors declared that they have no competing interests.