〇Junichi Yajima¹, Kyo Iijima¹, Shinichi Yamada², Hiroshi Kurita² (1.Oral Surgery,North Alps Medical Center Azumi Hospital,Nagano,Japan, 2.Oral Surgery,Shinshu University Hospital,Nagano,Japan)

〇Shinichiro Kato¹, Hironori Miyamoto¹, Momoko Horibe¹, Asako Fukushima¹, Hiroyuki Takashima¹, Maki Morita¹, Sumiyo Hishida¹, Naofumi Aoki¹, Yasuyuki Shibuya¹ (1.Department of Oral and Maxillofacial Surgery, Nagoya City University Graduate School of Medical Sciences)

〇Hirotaka . Kato¹, Hiromi Nakai¹, Akihiro Miyazaki¹, Junya Okamoto¹, Kei Tsuchihashi¹ (1.Department of Oral Surgery Sapporo Medical University School of Medicine)

〇Imahito Karasawa¹, Ryuichi Itou¹, Hiroshi Kurita² (1.Department of Oral and Maxillofacial Surgery,Suwa central hospital,Nagano,Japan, 2.Department of Dentistry and Oral Surgery, Shinshu University School of Medicine,Nagano,Japan)

〇TETSU SHIMANE¹, Ryuichi Itoh³, Tetsuro Imai¹, Jun Shinohara⁴, Rumi Kamijyo⁵, Hiroshi Kurita² (1.Municipal Kokuho Asama General Hospital , 2.Shinshu University School of Medicine, 3.Suwa Chuo Hospital, 4.Miyoda Central Memorial Hospital, 5.JA Naganokoseiren Fujimikogen Iryofukushi Center Fujimikogen Clinics)

〇Daisuke Akita¹, Shin-ichi Yamada², Masao Hashidume², Kouichi Goto², Hiroshi Kurita² (1.Department of Dentistry and Oral Surgery, Okaya City Hospital , 2.Department of Dentistry and Oral Surgery Shinshu University School of Medicine)