Imai, Tomoaki http://orcid.org/0000-0002-1404-8721
Fujita, Yusei
Takaoka, Hiroo
Motoki, Ayako
Kanesaki, Tomohiko
Ota, Yoshiyuki
Chisoku, Hirohisa
Ohmae, Masatoshi
Sumi, Tetsuro
Nakazawa, Mitsuhiro
Uzawa, Narikazu
Article History
Received: 16 September 2019
Accepted: 20 November 2019
First Online: 8 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the internal review boards of Osaka University Graduate School of Dentistry and was conducted in accordance with the Declaration of Helsinki.
: The requirement to obtain informed consent was waived by the internal review boards because of the retrospective design.