Funding for this research was provided by:
National Natural Science Foundation of China (81771080, 81970949)
Article History
Received: 2 October 2019
Accepted: 17 November 2020
First Online: 26 November 2020
Ethics approval and consent to participate
: The protocol of this study has been approved by the Ethical Committee Broad of School and Hospital of Stomatology, Wuhan University. Written informed consent was obtained from the parents.
: Written informed consent was obtained from the parents for the publication of clinical details.
: The authors declare that they have no competing interests.