Yuanli, He
Juan, Wu
Mengzhen, Ji
Xuan, Chen
Kaixin, Xiong
Xueqin, Yang
Xin, Qiao
Hantao, Hu
Yuan, Gao
Ling, Zou
Funding for this research was provided by:
Department of Science and Technology of Sichuan Province (2020YFSY0019)
Article History
Received: 19 September 2020
Accepted: 29 March 2021
First Online: 5 April 2021
Declarations
:
: All procedures performed in studies involving human biological material were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. In this study, the use of extracted human teeth was approved by the ethical board at the West China Hospital of Stomatology, Sichuan University under protocol WCHSIRB-D-2020-162.
: For this type of study, formal consent is not required.
: The authors declare no conflict of interest.