〇Tomoyuki Kohgo¹, Yamashita Tetsuro¹, Hosokawa Syuichi¹, Matsuzawa Yusuke¹, Yamashita Shinnosuke¹, Hojyou Chisaho¹ (1.Keiyukaisapporo Hospital Oral and Maxillofacial Surgery, Hokkaido, Japan)

〇Toru Inomata^1,4, Jumpei Tanaka¹, Takafumi Satomi², Takuo Henmi³, Hisao Yagishita³, Hiromasa Kurosaki⁴ (1.Department of Oral and Maxillofacial Surgery, Nippon Dental University Hospital, Tokyo, Japan, 2.Department of Oral and Maxillofacial Surgery, Nippon Dental University School of Life Dentistry, Tokyo, Japan, 3.Division of Diagnosis, Rdiology and Pathology, Nippon Dental University Hospital, Tokyo, Japan, 4.Dapartment of Radiation Therapy, JCHO Tokyo Shinjyuku Medical Center, Tokyo, Japan)

〇Nami Koida^1,2, Tsunemi Misawa¹, Naoto Nishii^1,3, Yuko Yamagata³, Yukinobu Takahashi^1,3, Hirofumi Tomioka³, Hiroyuki Harada³ (1.Department of Oral and Maxillofacial Surgery, Yamanashi Prefectural Central Hospital, 2.Department of Oral and Maxillofacial Surgery, Ebina General Hospital, 3.Oral and Maxillofacial Surgery, Department of Oral Restitution, Division of Oral Health Sciences, Graduate school, Tokyo Medical and Dental University)

〇Hiroki Kato¹, Kuniko Mizuta¹, Kazuki Sasaki¹, Ryo Uetsuki¹, Ono Shigehiro¹, Ohta Koji² (1.Department of Oral and Maxillofacial Surgery Graduate School of Biomedical and Health Sciences Hiroshima University, 2.Department of Public Oral Health, Program of Oral Health Sciences, Hiroshima University)

〇shinya tada¹, motoo suematsu¹ (1.Department of Oral and Maxillofacial Surgery, Meiwa General Hospital, Hyogo, Japan.)

〇Kazuhiro Yagihara¹, Hiroki Hara², Jun Sumino^1,4, Junichi Ishii¹, Miki Katsurano¹, Mari Shibata^1,4, Kim Yusoon^1,4, Mihoko Haraguchi¹, Toshiyuki Izumo³, Hisao Yagishita³, Ayataka Ishikawa³ (1.Department of Oral Surgery, Saitama Cancer Center, 2.Department of Gastroenterology, Saitama Cancer Center, 3.Department of Pathology, Saitama Cancer Center, 4.Department of Maxillofacial Surgery, Tokyo Medical and Dental University )

〇Ryoko Nakano¹, Akinobu Shibata², Yuji Kusafuka¹, Eiji Kondo³, Hiroshi Kurita³ (1.Department of Dentistry and Oral Surgery, Minaminagano Medical Center, Shinonoi General Hospital,Nagano,Japan, 2.Department of Dentistry and Oral Surgery,Hokushin General Hospital,Nagao,Japan, 3.Department of Dentistry and Oral Surgery,Shinshu University School of Medicine,Nagano,Japan)

〇akinobu shibata^1,2, Ryoko Nakano², Kenji Yamada¹, Eiji Kondo³, Kurita Hiroshi³ (1.Department of Dentistry and Oral Surgery, Hokushin General Hospital, Nagano, Japan, 2.Department of Dentistry and Oral Surgery, Minaminagano Medical Center, Shinonoi General Hospital, Nagano, Japan, 3.Department of Dentistry and Oral Surgery, Shinshu Univercity School of Medicine, Nagano, Japan)

〇Misaki Yokokawa¹, Takuma Kugimoto¹, Hideaki Hirai¹, Hiroyuki Harada¹ (1.Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University)

〇Junya Okamoto¹, Kei Tsuchihashi¹, Hirotaka Kato¹, Takaaki Tokura¹, Junichi Kobayashi², Michiko Okita², Yasushi Hariya², Akihiro Miyazaki¹ (1.Department of Oral Surgery, Sapporo Medical University School of Medicine, 2.Department of Dentistry and Oral surgery, Teine Keijinkai Hospital)

〇Omori Keisuke¹, Otsuru Mitsunobu¹, Yanamoto Souichi¹, Furukawa Kohei¹, Fukushima Hiromasa¹, Naruse Tomofumi², Umeda Masahiro¹ (1.Department of clinical oral oncology, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, 2.Department of Dentistry and Oral Surgery, Omura Municipal Hospital)

〇Kei Sugiura¹, Takayuki Ohsawa¹ (1.Yokohama Municipal Citizen's Hospital)

〇On Hasegawa¹, Michihide Kono¹, Yuki Kanno¹, Takafumi Satomi^1,2, Daichi Chikazu¹ (1.Department of Oral and Maxillofacial Surgery, Tokyo Medical University, Tokyo, Japan, 2.Department of Oral and Maxillofacial Surgery, The Nippon Dental University School of Life Dentistry at Tokyo, Tokyo, Japan)

〇Kaho Hiasa¹, Hidetaka Miyashita¹, Tomoya Soma¹, Kanako Munakata¹, Yuka Yamada¹, Moemi Kimura¹, Taneaki Nakagawa¹, Seiji Asoda¹ (1.Department of Dentistry and Oral Surgery, Keio University School of Medicine, Tokyo, Japan.)

〇Yoshihiro Ohashi¹, Kato Koichiro¹, Masuda Chieko¹, Kumagai Kenichi², Horie Akihisa¹ (1.Department of Dentistry and Oral Surgery, Japan Organaization of Occupational Health and Safety(JOHAS), Kanto Rosai Hospital, Kawasaki, Japan., 2.Department of Oral and Maxillofacial Surgery, School of Dental Medicine, Tsurumi University, Yokohama, Japan.)

〇Koichiro Kato¹, Akihisa Horie¹, Yoshihiro Oohashi¹, Chieko Masuda¹, Kenichi Kumagai², Yoshiki Hamada² (1.Department of Oral and Maxillofacial Surgery, Kanto Rosai Hospital, Japan Labour Health and Welfare Organization, Kanagawa, Japan, 2.Department of Oral and Maxillofacial Surgery, Tsurumi University School of Dental Medicine, Kanagawa, Japan)

〇Go Ohara¹, Kazuto Okabe², Yuya Ohta¹, Noriyuki Yamamoto², Hideharu HIbi¹ (1.Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Aichi, Japan, 2.Department of Oral and Maxillofacial Surgery, Nagoya University Hospital, Aichi, Japan)

〇Yoshiaki Kishikawa¹ (1.Graduate School of Medical Sciences Kanazawa University , Department of surgery , Oral and Maxillofacial Surgery)

〇Hitoshi Yoshimura¹, Hisato Yoshida¹, Shinpei Matsuda¹, Satoshi Yamamoto¹, Takashi Ryoke¹ (1.Department of Dentistry and Oral Surgery, Unit of Sensory and Locomotor Medicine, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan)

〇Haruka Fukuta¹, Kosei Kubota¹, Hiroshi Nakagawa¹, Ryohei Ito¹, Natsumi Akiyama¹, Yusuke Tanaka², Norihiko Narita³, Wataru Kobayashi¹ (1.Department of Oral and Maxillofacial Surgery, Hirosaki University Graduate School of Medicine Aomori, Japan , 2.Department of Oral and Maxillofacial Surgery, Noheji County Hospital Aomori, Japan, 3.Department of Oral and Maxillofacial Surgery, Kitaakita Municipal Hospital Akita, Japan)

〇mitsunobu Otsuru otsuru¹, Hiromasa Fukushima¹, Norio Nakamura¹, Taro Miyoshi¹, Kohei Furukawa¹, Keisuke Omori¹, Hiroshi Sakamoto¹, Saki Hayashida¹, Tomofumi Naruse^1,2, Souichi Yanamoto¹, Goro Kawasaki¹, Masahiro Umeda¹ (1.Department of Clinical Oral Oncology, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, 2.Department of oral oncology, Omura city hospital)

〇Natsumi Akiyama¹, Kousei Kubota¹, Hiroshi Nakagawa¹, Ryohei Ito¹, Haruka Hukuta¹, Wataru Kobayashi¹ (1.Hirosaki University Graduate Schoole of Medicine, Aomori, Japan)

〇Takeshi Kitabatake^1,2, Kanako Takayama¹, Takuya Tominaga^1,2, Kenji Mitsudo² (1.Department of Radiation Oncology, Southern Tohoku General Hospital / Southern Tohoku Proton Therapy Center, Koriyama, Japan, 2.Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan)

〇Masae Yamazaki¹, Arisa Fujii¹, Hirokazu Saitou¹, Taiki Suzuki^2,1, Satoru Ogane², Takeshi Nomura^1,2, Nobuo Takano² (1.Tokyo Dental College Oral Oncology, Oral and Maxillofacial Surgery, 2.Tokyo Dental College Oral Cancer Center)

〇Shunsuke Gohara¹, Ryoji Yoshida¹, Syo Kawaguchi¹, Yuka Nagao¹, Keisuke Yamana¹, Hisashi Takeshita¹, Masashi Nagata¹, Akiyuki Hirosue¹, Kenta Kawahara¹, Daiki Fukuma¹, Nakayama Hideki¹ (1.Department of Oral and Maxillofacial Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan)

〇Soichiro ITO¹, Yousuke NAKAGAWA¹, Tadaaki KIRITA¹ (1.Department of Oral and Maxillofacial Surgery, Nara Medical University, Nara, Japan)

〇Takanori Sasaki¹, Takaaki Tokura¹, Junya Okamoto¹, Hiromi Nakai¹, Michiyo Onishi¹, Kei Tuchihashi¹, Takashi Sasaya¹, Hirotaka kato¹, Kazuhiro Ogi¹, Hironari Dehari¹, Akihiro Miyazaki¹ (1.Department of Oral Surgery Sapporo Medical University School of Medicine)

〇Sayaka Yamakaku¹, Taku Kojima¹, Kenta Kawahara¹, Masashi Nagata¹, Ryoji Yoshida¹, Daiki Fukuma¹, Akiyuki Hirosue¹, Hideki Nakayama¹ (1.Dental and Oral Surgery,University of Kumamoto)

〇Takuya Tominaga^1,2, Kanako Takayama^1,2, Takeshi Kitabatake^1,2, Kenji Mitsudo² (1.Department of Radiation Oncology, Southern TOHOKU General Hospital / Southern TOHOKU Proton Therapy Center, Koriyama, Japan, 2.Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan)

〇Yukihiko Takeda^1,3, Kazuyoshi Murayama¹, Ryuki Tamura¹, Kazunori Ninomiya², Shuji Toya², Akira Tanaka³, Iwai Tohnai^4,5 (1.Department of Oral and Maxillofacial Surgery, Niigata Prefectural Central Hospital, Joetsu , Japan, 2.Department of Oral and Maxillofacial Surgery, The Nippon Dental University Niigata Hospital, Niigata, Japan, 3.Department of Oral and Maxillofacial Surgery, The Nippon Dental University School of Life Dentistry at Niigata, Japan, 4.Department of Oral and Maxillofacial Surgery, Yokohama City University Graduate School of Medicine , Yokohama , Japan, 5.School of health Sciences, Meikai University , Urayasu , Japan)

〇Kunio Yoshizawa¹, Yujiro Kimura¹, Asami Osada¹, Akinori Moroi¹, Koichiro Ueki¹ (1.Department of Oral and Maxillofacial Surgery, Division of Medicine, Interdisciplinary Graduated School, University of Yamanashi)

〇Hitomi Nojima¹, Atsushi Kaida¹, Masahiko Miura¹ (1.Department of Oral Radiation Oncology, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University)

〇Akihiro Dohi¹, Tadahide Noguchi¹, Yasushi Sugiura¹, Yoshiyuki Tuchiya^1,2, Yoshiyuki Mori¹ (1.Oral & maxillofacial surgery, Jichi Medical University, Tochigi, Japan, 2.Tochigi cancer center)

〇RINTARO SAKATA¹, Yuichiro Matsuoka¹, Kenta Kawahara¹, Masashi Nagata¹, Akiyuki Hirosue¹, Daiki Fukuma¹, Ryoji Yoshida¹, Hideki Nakayama¹ (1.Department of Oral and Maxillofacial Surgery,Faculty of Life Sciences,Kumamoto University)