Liu, Yina
Chen, Meizhi
Tang, Weilong
Liu, Chang
Du, Minquan
Article History
Received: 8 October 2022
Accepted: 15 December 2022
First Online: 28 December 2022
Declarations
:
: All methods in the current study were performed in accordance with the Declaration of Helsinki. The study protocol was approved by the Ethics Committee of the School and Hospital of Stomatology, Wuhan University, China (approval number No.2020/B12).
: The human molar teeth used in the present study were all isolated teeth extracted at the Stomatological Hospital of Wuhan University for reasons unrelated to the study. Because it is impracticable to associate each tooth with the patient and contact them to gain informed consent, the need of informed consent requirement was waived with the approval of the Ethics Committee of the School and Hospital of Stomatology, Wuhan University, China.
: Not applicable.
: The authors declare that they have no competing interests.