*JUO PEI LEE1, Shinichiro Kuroshima2, Yusuke Uto2, Yusuke Uchida2, Tomohiro Ishizaki1, Takashi Sawase2
(1. Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 2. Department of Applied Prosthodontics, Institute of Biomedical Sciences, Nagasaki University)