OKAMOTO Daigo, YAMAGUCHI Yoshihiro, SAITO Shizu, SUZUKI Hikari, NOGAMI Shinnosuke, YAMAUCHI Kensuke, TAKAHASHI Tetsu (Dept. of Oral Medicine and Surgery, Univ. of Tohoku, Myagi, Japan)

KOYACHI Masahide¹, SUGAHARA Keisuke¹, ODAKA Kento², MATSUNAGA Satoru³, KOYAMA Yuu¹, GOTO Tazuko², KATAKURA Akira¹ (1.Dept. of Oral Pathobiological Science and Surgery, Tokyo Dental College, Tokyo, Japan, 2.Dept. of Oral and Maxillofacial Radiology, Tokyo Dental College, Tokyo, Japan, 3.Dept. of Anatomy, Tokyo Dental College)

WATANABE Hitoshi¹, KUMAGAI Yuriko¹, DAN Chisato¹, NAGASAKA Hiroshi², OJIMA Kenji¹ (1.Smile Innovation Orthodontics, Tokyo Japan, 2.Sendai Aoba Clinic, Sendai Japan)

WONG Tung-Yiu¹, TSENG Ke-Shin² (1.Dept. of OMS, National Cheng Kung Univ. Hospital, Tainan, Taiwan, 2.Depart of OMS, National Cheng Kung Univ. Hospital, Tainan, Taiwan)

HSU Han-Jen, CHENG Yiwen, CHEN Chun-Ming (Dept. of OMS, Kaohsiung Medical Univ. Hospital, Kaohsiung Medical Univ., Taiwan)