Sato, Yuji
Koyama, Shigeto
Ohkubo, Chikahiro
Ogura, Shin
Kamijo, Ryutaro
Sato, Soh
Aida, Jun
Izumi, Yuichi
Atsumi, Mihoko
Isobe, Akio
Baba, Shunsuke
Ikumi, Noriharu
Watanabe, Fumihiko
Funding for this research was provided by:
Japan Dental Science Federation (JDSF-DSP1-2016-000-1)
Article History
Received: 23 December 2019
Accepted: 9 October 2020
First Online: 25 November 2020
Ethics approval and consent to participate
: The study design and consent forms for all procedures performed on the study subjects were approved by the ethics committee for human subjects at Japanese Society of Oral Implantology (No.: 2015-1) in accordance with the Helsinki Declaration of 1975 as revised in 2008. The consent of the members was obtained for all the questionnaires that were mailed and returned in this study. All members who responded to the questionnaire forms of this study agreed with the purpose of this study and the use of the data.
: Not applicable.
: Yuji Sato, Shigeto Koyama, Chikahiro Ohkubo, Shin Ogura, Ryutaro Kamijo, Satoru Sato, Yuuichi Izumi, Mihoko Atsumi, Akio Isobe, Shunsuke Baba, Noriharu Ikumi and Fumihiko Watanabe declare that they have no competing interests. Jun Aida, is an Associate Editor of BMC Oral Health.