SEINO Sayaka¹, SHIMASUE Hiroshi¹, MIZUTA Kuniko¹, HARADA Tadashi², TAKECHI Masaaki¹ (1.Dept. of OMS, Graduate School of Biomedical and Health Sciences, Hiroshima Univ., 2.JA Hiroshima General Hospital Dept. of OMS)

TAKAGI Yusuke¹, SONOKAWA Takuya¹, TAMURA Nobuaki², TATSUTA Tsuneyasu¹, TAKESHIMA Hiroshi², SHIMADA Jun¹ (1.1st Dept of OMS, Meikai Univ., School of Dentistry, Saitama, Japan, 2.Division of Geriatric Dentistry, Meikai Univ., School of Dentistry, Saitama, Japan)

HORISHIMA Yuika, KITAMURA Tomohisa, NAKAYAMA Nami, ENDO Mao, TOMODA Taketo, IKAMI Eiji, HAYASHI Naoki, KAWATA Yumiko, FUKUSHIMA Yousuke, SATO Tsuyoshi (Dept. of OMS, Saitama Medical Univ.)

YOSHIDOME Ryota¹, MURAKAMI Kaoru¹, SUNAGAWA Yuki^1,2, YAMAMURA Kouji¹, MINEMURA Chikashi^1,3, TAKAYAMA Tomohiro¹, KIMURA Yasushi¹, YOSHIKAWA Syumei¹, YOKOE Hidetaka (1.National Defense Medical College Hospital, Saitama, Japan, 2.Japan Self Defence Gifu Hospital Kakamigahara, Japan, 3.Japan Maritime Self Defence Force Medical Service Unit YoKosuka Yokohama Japan)

HIGA Tsutomu¹, MEKARU Yasuaki¹, KOUCHI Masato¹, HIGA Keiko¹, ARAKAKI Keiichi² (1.Dept. of Dentistry, OMS, Okinawa Prefectural Nanbu Medical Center&Children's Medical Center, Okinawa, Japan, 2.Dept. of Dentistry, OMS, Okinawa Prefectural Chubu Hospital, Okinawa, Japan)

SHIBAYAMA Chisa^1,2, SHIMASAKI Akira^1,2, ANDO Tomohiro² (1.Dept. of OMS, TMG Asaka Medical Center, Tokyo, Japan, 2.Dept. of OMS, Tokyo Women's Medical Univ., Tokyo, Japan)