Yoshino, Koichi
Ito, Koji
Kuroda, Masahiko
Sugihara, Naoki
Article History
Received: 9 April 2019
Accepted: 16 July 2019
First Online: 27 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in the study were in accordance with the ethical standards of the regional research ethics committee and with the 1964 Helsinki Declaration and its later amendments. This study was approved by the ethical committee of Tokyo Dental College (Approval Number 862).
: For this type of retrospective, non-interventional clinical study, formal consent is not required. We do announce to our patients that we are conducting research about dentures in our clinics.