Zhang, Ziqi
Wang, Shuze
Li, Jing
Yang, Zhijie
Zhang, Xia
Bai, Xiaofeng
Article History
Received: 16 August 2022
Accepted: 25 May 2023
First Online: 1 June 2023
Declarations
:
: This retrospective study was approved by the Institutional ethics committee of School and Hospital of Stomatology, China Medical University. (no. 201723).All patients received presurgical and postsurgical orthodontic treatment, received treatment with their own or guardian's consent and signed the informed consent form.The study design fulfils the guidelines of the Declaration of Helsinki regarding ethical principles for medical research involving human subjects.
: Not applicable.
: The authors declare no competing interests.