*Shion Maruyama1, Azusa Haruta1, Mineka Yoshikawa1, Yusuke Morimoto1, Yutaro Takahashi1, Mariko Maruyama1, Kazuko Kagawa1, Maho Takeuchi1, Miyuki Yokoi1, Mitsuyoshi Yoshida2, Kazuhiro Tsuga1
(1. Department of Advanced Prosthodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University , 2. Department of Dentistry & Oral-Maxillofacial Surgery, Fujita Health University School of Medicine)