Kokubun, Katsutoshi
Nakajima, Kei
Yamamoto, Kei
Akashi, Yoshihiko
Matsuzaka, Kenichi
Article History
Received: 5 January 2023
Accepted: 24 February 2023
First Online: 11 March 2023
Declarations
:
: This study was approved by the Clinical Research Ethics Review Committee of Tokyo Dental College. All procedures performed in studies were in accordance with the ethical standards of the Clinical Research Ethics Review Committee of Tokyo Dental College (approval number: 1114) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The Clinical Research Ethics Review Committee of Tokyo Dental College provided the authorization to analyze the data, due to the retrospective nature of the study. All data were anonymized before being used for the analysis. Informed consent: For this type of study, the need for formal consent was waived by the Clinical Research Ethics Review Committee of Tokyo Dental College.
: Not applicable.
: The authors have no relevant financial or non-financial interests to disclose.