Yu, Yi
Jiang, Qiming
Zhang, Zhengchuan
Yu, Xiaolin
Deng, Feilong http://orcid.org/0000-0002-6848-4174
Funding for this research was provided by:
Science and Technology Planning Project of Guangdong Province (2017B090912004)
National Natural Science Foundation of China (81801012)
Article History
Received: 4 January 2021
Accepted: 12 February 2021
First Online: 25 March 2021
Ethics approval and consent to participate
: This retrospective study was approved by the Ethics Committee of Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, China (Approval No. ERC-[2016]-12).
: Not applicable
: Yi Yu, Qiming Jiang, Zhengchuan Zhang, Xiaolin Yu, and Feilong Deng declare that they have no competing interests.