*Kentaro Nakamura1, Hirokazu Kumano1, Ryo Kanbara1, Yoshinori Nakamura1, Ran Fukuzawa1, Wakako Fujinami1, Norinaga Kojima1, Fumi Yoshioka1, Shogo Ozawa1, Jun Takebe1
(1. Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University)