Niu, Lin
Mei, Yukun
Xu, Xiaoqiao
Guo, Yi
Li, Zhen
Dong, Shaojie
Liu, Ruirui
Article History
Received: 27 March 2022
Accepted: 12 December 2022
First Online: 22 December 2022
Declarations
:
: Ethics approval for our study was obtained from the Medical Ethical Committee of Stomatology Hospital of Xi’an Jiaotong University. Informed consent was obtained from all residents and patients prior to data collection. The study was conducted in accordance with the Declarations of Helsinki and all the selected respondents were given assurance of confidentiality that the information gathered will be used exclusively for research purposes.
: Not applicable.
: The authors declare that they have no competing interests.