Piao, Xing-Yu
Park, Ji-Man https://orcid.org/0000-0003-0018-1166
Kim, Hannah
Kim, Youngjun
Shim, June-Sung
Funding for this research was provided by:
Ministry of Trade, Industry and Energy (202011A02)
Article History
Received: 21 December 2021
Accepted: 3 May 2022
First Online: 10 May 2022
Declarations
:
: This research study was conducted retrospectively from data obtained for clinical purposes. The study was approved by the Institutional Review Board for clinical research at the Dental Hospital of Yonsei University (approval number 2-2021-0009) and registered at the Clinical Research Information Service of Korea (KCT0006710). This study was prepared in compliance with STARD guidelines.
: For this type of study, formal consent is not required.
: The authors declare no competing interests.