MORIYA Asato, SANO Tsuguo, KIZIMA Takeshi, AKIMOTO Takuma, HAGINO Takama, SUDOU Kouki, NAKAZAWA Atsushi, TAKAKU Susumu, SATOU Yasunori (Tokyo Nishi Tokushukai Hospital, Tokyo, Japan)

TANAKA Naruhisa¹, SHOJI Hirobumi¹, TANNO Saki¹, MACHIDA Toshimasa¹, INOMATA Toru¹, YOSHIDA Kazumasa¹, KOBAYASHI Ryutaro¹, YAGISHITA Hisao², IWATA Yo², KATSU (1.Dept. of OMS, the Nippon Dental Univ. Hospital, Tokyo, Japan, 2.Dvision of Oral Diagnosis, Dental and Maxillofacial Radiology and Oral Pathology Diagnostic Services, the Nippon Dental Univ. Hospital, Tokyo, Japan, 3.Dept. of OMS, Fuji City General Hospital, Shizuoka, Japan)

NIHO Chiaki¹, NOGUCHI Tadahide¹, TSUCHIYA Yoshiyuki², OYATSU Yukio³ (1.Dept. of Dentistry, OMS, Jichi Medical Univ., Shimotsuke-shi, Tochigi, Japan, 2.Tochigi Cancer Center, Dept. of OMS, 3.Kyowa Chuo Hospital, Dept. of OMS)

HIDAI Chikako¹, KOBAYASHI Junji¹, INABA Yoshinori¹, IGUCHI Naohiko¹, YAMAMOTO Hiroshi¹, SAITO Takaaki² (1.Dept. of OMS, Chiba-Nishi General Hospital, Chiba, Japan, 2.Dept. of Pathology, Chiba-Nishi General Hospital, Chiba, Japan)