ITO Yohei¹, HASEGAWA Reika¹, KASHIHARA Sho¹, OHSUMI Eriko¹, OBAYASHI Naofumi¹, NAGAO Toru², SAITO Terumi¹ (1.Dept. of Dentistry, OMS, Okazaki City Hospital, Okazaki, Aichi, Japan., 2.Dept. of Maxillofacial Surgery, Aichi-Gakuin Univ. School of Dentistry, Nagoya, Japan.)

IWAMA Ryosuke, MIYASHITA Hitoshi, IMOTO Kazuhiro, KURODA Kanako, SAITO Shizu, TAKEDA Yuri, NOGAMI Shinnosuke, YAMAUCHI Kensuke, NAGAI Hirokazu, TAKAHASHI Tetsu (Division of OMS, Tohoku Univ. Graduate School of Dentistry)

KURIHARA Kinue^1,2, KAWACHI Homare^1,2, OGANE Satoru², TAKANO Masayuki^2,3, KATAKURA Akira^2,4, SHIBAHARA Takahiko^2,3, NOMURA Takeshi^1,2, TAKANO Nobuo² (1.Dept. of Oral Medicine, OMS, Tokyo Dental College, 2.Oral Cancer Center, Tokyo Dental College, 3.Dept. of OMS, Tokyo Dental College, 4.Dept. of Oral Pathobiological Science and Surgery, Tokyo Dental College)

YOSHIDA Shoko^1,2, KISHIMOTO Koji¹, MURASE Yurika¹, OKUI Tatsuo¹, YOSHIOKA Norie¹, IBARAGI Soichiro¹, NAGATSUKA Hitoshi³, SASAKI Akira¹ (1.Dept. of OMS, Okayama Univ. Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan, 2.Dept. of Dentistry and Oral Surgery, Ako Central Hospital, Ako, Japan, 3.Dept. of Oral Pathology and Medicine, Okayama Univ. Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan)

YAMAZAKI Morio, FUSHIMI Chihiro, TANAKA Jumpei (Dept. of Head and Neck Oncology & Surgery, International Univ. of Health and Welfare Mita Hospital, Tokyo, Japan)