Asaumi, Rieko https://orcid.org/0000-0002-0421-0000
Sato, Iwao https://orcid.org/0000-0002-7035-2525
Takiguchi, Masachika https://orcid.org/0000-0001-6680-2207
Kawata, Shinichi https://orcid.org/0000-0002-9433-5682
Nagahori, Kenta https://orcid.org/0000-0001-8702-6710
Omotehara, Takuya https://orcid.org/0000-0002-8059-3939
Yakura, Tomiko https://orcid.org/0000-0002-2605-8396
Kawai, Taisuke https://orcid.org/0000-0002-6631-0306
Itoh, Masahiro https://orcid.org/0000-0002-6106-2761
Article History
Received: 6 October 2022
Accepted: 19 December 2022
First Online: 3 January 2023
Declarations
:
: The authors declare that they have no competing interest.
: This study was performed in line with the principles of the Declaration of Helsinki (as revised in 2013). The cadavers used in the present study were donated to Tokyo Medical University and Nippon Dental University, Tokyo, Japan, based on the Act on Body Donation for Medical and Dental Education. The study was approved by the Ethics Review Committee of Nippon Dental University (2018/21/ July; No. NDU-T2015-20) and Tokyo Medical University, Institutional Review Board (2019/01/March.; TMU, No. T2018-0060).
: All the donors willingly signed a form consenting to the body donation for education and research, and all the donors could revoke the intended donation any time without any disadvantages. The collection and the use of the CBCT data of all the cadavers were carried out with the permission of the donors and their family, and then performed according to the Law Concerning Cadaver Dissection and Preservation enacted in Japan in 1949.
: The present study was conducted within the parameters of the written permission we received from the body donor during lifetime.
: All authors have read and agreed to the published version of the manuscript.