Honda, Mika
Iida, Takashi
Kamiyama, Hirona
Masuda, Manabu
Kawara, Misao
Svensson, Peter
Komiyama, Osamu
Funding for this research was provided by:
grand in aid for scientific research from the Japanese Society for the Promotion of Science (17K11785)
grant in aid for scientific research from the Japanese Society for the Promotion of Science (17K11786)
Article History
Received: 8 February 2018
Accepted: 7 May 2018
First Online: 18 May 2018
Compliance with ethical standards
: Ethical approval of the protocol was provided by the Department of Oral Function and Rehabilitation, Nihon University School of Dentistry at Matsudo, Japan. This protocol was approved by the Ethics Committee of Nihon University School of Dentistry at Matsudo (EC 11-024), based on the guidelines set forth in the Declaration of Helsinki II.
: The authors declare that they have no competing interests.
: Informed consent was obtained from all participants before the experiment.