Wang, Xiangyu
Ren, Wenjuan
Li, Yufang
Zhao, Bin
Yang, Tingting
Hou, Ruxia
Li, Junming
Liu, Junyu
Funding for this research was provided by:
Follow-upto the Fourth National Oral Health Epidemiological Survey (201502002)
Research Fund of Shanxi Medical University School and Hospital of Stomatology (KY201903)
The First Epidemiological Survey of Oral Health in Shanxi Province (2018104)
Article History
Received: 19 April 2021
Accepted: 8 September 2021
First Online: 20 September 2021
Declarations
:
: The study was approved by the Ethics Committee of Shanxi Medical University (Approval code 2017009). All the methods were performed according to appropriate guidelines and regulations. Written informed consent for involvement in the study was obtained from all participating children and their parents.
: Not applicable.
: The authors declare no competing interests.