OKAFUJI Masaki¹, KANEKAWA Akihiro¹, UEYAMA Yoshiya², MISHIMA Katsuaki³ (1.Dept. of Dentistry and Oral Surgery, Yamaguchi Prefectural Central Hospital, Hofu, Japan, 2.Departmennt of Dentistry and Oral Surgery, Mitajiri Hospital, Hofu, Japan, 3.Dept. of OMS, Yamaguchi Univ. School of Medicine, Yamaguchi, Japan)

OKAMOTO Yuichi (Dept. of OMS, Niigata Tokamachi Hospital, Niigata, Japan)

TAKEDA Yukihiko^1,2, MURAYAMA Kazuyoshi¹, TAMURA Ryuki¹, SATO Hideaki², NINOMIYA Kazunori², TANAKA Akira³, TONAI Iwai⁴ (1.Dept. of OMS, Niigata Prefectural Central Ho Spital, Joetsu, Japan, 2.Dept. of OMS, the Nippon Dental Univ. N Iigata Hospital, Niigata, Japan, 3.Dept. of OMS, the Nippon Dental Univ. S Chool of Life Dentistry at Niigata, Japan, 4.Dept. of OMS, Yokohama City Univ. Gradu Ate School of Medicine, Yokohama, Japan)

UCHIYAMA Yoshiyuki¹, TSUBOI Kanako¹, NAKAGAWA Fumihiko², MATSUSHITA Fumihiko¹ (1.Dental and Oral Suegery, Haibara General Hospital, Shizuoka, Japan, 2.Orthodontic, Haibara General Hospital, Shizuoka, Japan)

TAMBO Ayako, MARUKAWA Kohei, KOMINE Rika, NOZAKI Shinichi (Dept. of Dentistry and Oral Surgery, National Hospital Organization Kanazawa Medical Center)

WATANABE Masahiro^1,2, INOUE Hiroshi^1,2, IOKU Yusuke^1,2, OKAMOTO Tomoko^1,2, OKAMOTO Yasufumi¹, MOTOHASHI Tomokazu², NAKAJIMA Masahiro², SUGITATSU Mitsuchika^1,2 (1.Dentistry and Oral Surgery, Osaka Red Cross Hospital, Osaka, Japan, 2.Second Dept. of OMS, Osaka Dental Univ., Osaka, Japan)