NISHIMURA Masahiro¹, KOIKE Takeshi¹, KURITA Hiroshi² (1.Dept. of OMS, Ina Central Hospital, Nagano Japan, 2.Dept. of Dentistry, OMS, Shishu, Univ, Nagano Japan)

SEKIGUCHI YAMADA Tamaki¹, OHIRO Yoichi¹, ASHIKAGA Youichi¹, SATO KURIBAYASHI Kazuyo¹, KITAMURA Tetsuya², TEI Kanchu¹ (1.Dept. of OMS, Division of Oral Pathobiological Science, Graduate School of Dental Medicine, Hokkaido Univ., Sapporo, Japan, 2.Dept. of Oral Pathology and Biology, Division of Oral Pathobiological Science, Graduate School of Dental Medicine, Hokkaido Univ., Sapporo, Japan)

IGARASHI Tomohiro, NISHIYAMA Kouyou, TOKURA Takaaki, OONISHI Michiyo, SASAKI Takanori, DEHARI Hironari, MIYAZAKI Akihiro (Dept. of Oral Surgery Sapporo Medical Univ. School of Medicine. Sapporo, Japan)

HASEGAWA Daigo, SETA Syouhei, OOSAWA Yuuko, UCHIBORI Masahiro, DENDA Yuuya, SASAKI Masashi, KATOU Hisashi, AOKI Takayuki, OOTA Yoshihide, KANEKO Akihiro (OMS of Medicine, Univ. of Tokai, Kangawa, Japan)

KAJITA Tomonari¹, MIYASHITA Hitoshi¹, KITAMURA Jun¹, TAKEDA Yuri¹, NOGAMI Shinnosuke¹, MORI Shiro¹, YAMAUCHI Kensuke¹, NAGAI Hirokazu¹, KUMAMOTO Hiroyuki², (1.Division of OMS, Dept. of Oral Medicine and Surgery, Tohoku Univ. Graduate School of Dentistry, 2.Division of Oral Pathology, Dept. of Oral Medicine and Surgery, Tohoku Univ. Graduate School of Dentistry)