SHIBATA Masayo¹, KATO Keizo^1,2, ISHIDA Kazuhisa^1,2, TSUKAMOTO Nozomi¹, HAYAKAWA Yasumitsu¹ (1.Seigakai, Shibata Dental Clinic, Dept. of Oral Surgery, Okazaki, Japan, 2.Dept of OMS, Graduate School of Medicine, Univ, of Gifu, Gifu, Japan)

YAMAMOTO Tomoyoshi, KANOU Yoshinori (Dentistry Oral Surgery, Aichi Children's Health and Medical Center, Obu, Japan)

UEDA Gosei¹, ARAKAKI Keiichi¹, IREI Mitsutaka¹, HIGA Moritoshi¹, HIGA Tsutomu², MEKARU Yasuaki², SAWADA Shigeki³, NAKAMA Jyoji⁵, TATETSU Masaharu⁴, KANOU Ta (1.Dept. of Dentistry, OMS, Okinawa Prefectural Chubu Hospital, Okinawa, Japan, 2.Dept. of Dentistry, OMS, Okinawa Prefectural Nanbu Medical Center&Children's Medical Center, Okinawa, Japan, 3.Dept. of Dentistry, OMS, Okinawa Prefectural Hokubu Hospital, Okinawa, Japan, 4.Dept. of Dentistry, OMS, Okinawa Prefectural Miyako Hospital, Okinawa, Japan, 5.Dept. of Dentistry, OMS, Okinawa Prefectural Yaeyama Hospital, Okinawa, Japan)

EHARA Yuichi, NAGANAWA Kousuke, SASAJIMA Kazumasa, MATSUNAMI Akihiro, UKAI Akira, TAKAHASHI Moe, MATSUBARA Makoto, NAKASHIMA Masahiro, MURAMATSU Ysunori, SUMITOMO Shinichiro (Dept. of OMS, Division of Oral Pathogenesis and Disease Control, Asahi Univ. School of Dentistry.)

KIMURA Taishi¹, UCHIDA Ikuhiro^1,2, OTAISHI Masatsugu^1,2 (1.Dentistry and Oral Surgery, Hino Municipal Hospital, Tokyo, Japan, 2.Dept. of Dentistry and Oral Surgery, School of Medicine, Keio Univ.)

FUJIMOTO Yasuhiro^1,3,4, OSAKA Ryuta¹, HAMADA Yuji^1,2, MIZUSAWA Nobuhito^1,4, WATANABE Daisuke^1,4, KANEKO Akihiro⁴ (1.Dept. of Dentistry/OMS, Ikegami General Hospital, Tokyo, Japan, 2.Dept. of OMS, Tokyo Dental College, 3.Dept. of OMS, Tokyo Women's Medical Univ., School of Medicine, 4.Dept. of OMS, Tokai Univ. School of Medicine)