Zhou, Jie
Fu, Jieni
Xiao, Mo
Qiao, Feng
Fu, Tiantian
Lv, Yangyang
Wu, Fei
Sun, Cuicui
Li, Peng
Wu, Ligeng
Funding for this research was provided by:
the Development of Science and Technology Plan Projects of Wu Qing District, Tianjin (WQKJ201728 and WQKJ202133)
Scientific Research Program of Tianjin Education Commission, China (2020KJ184)
Article History
Received: 24 November 2021
Accepted: 21 February 2022
First Online: 2 March 2022
Declarations
:
: All stages of the investigation were conducted in accordance with the principles of the Helsinki Declaration. Ethical considerations were considered during each step of the research process. Informed consents were obtained from all subjects. This study was approved by the ethics committee of the Stomatological Hospital of Tianjin Medical University (TMUhMEC2019014).
: Not applicable.
: The authors confirm that they have no conflict of interest.