TAKEUCHI Chiaki¹, MATSUSHITA Yoshihiro¹, ISHIKAWA Jun², MATSUBARA Ai³, SASAKI Shizuka¹, WATANABE Kazuyo¹ (1.Dept. of Oral Surgery, KARIYA TOYOTA General Hospital, Aichi, Japan, 2.Dept. of Oral Surgery, Iwata City Hospital, Shizuoka, Japan, 3.Dept. of Oral Surgery, Nagoya Univ. Hospital, Aichi, Japan)

SANO Daisuke, KANAZAWA Teruyuki (Dept. of OMS, Inazawa Municipal Hospital, Aichi, Japan)

KOMATSU Miho¹, SATOMI Norihisa¹, TAKAHASHI Tetsu² (1.Dept. of OMS, Kesennuma City Hospital, 2.Division of OMS, Dept. of Oral Medicine and Surgery Tohoku Univ.. Graduate School of Dentistry)

SHIBATA Akinobu¹, NAKANO Ryoko¹, YOKOI Kei², KONDO Eiji², KURITA Hiroshi² (1.Minaminagano Medical Center, Shinonoi General Hospital, Dept. of Dentistry and Oral Surgery, Nagano, Japan, 2.Dept. of Dentistry and Oral Surgery, Shinshu Univ. School of Medicine, Nagano, Japan)

MUKOHYAMA Hitoshi, KOUSAKA Hikari, NAKAJIMA Yusuke (Dept. Oral Surgery, Yokohama City Minato Red Cross Hospital, Yokohama, Japan)