TAKEUCHI Go¹, HASEGAWA Shogo^1,2, MIYABE Satoru² (1.Dept. of OMS, Toyotawakatake Hospital, Aichi, Japan, 2.Dept. of Maxillofacial Surgery, School of Dentistry Aichi-Gakuin Univ., Aichi, Japan)

MURAYAMA Kazuyoshi¹, TAKEDA Yukihiko^1,3, TAMURA Ryuki¹, SATO Hideaki², NINOMIYA Kazunori², TANAKA Akira³ (1.OMS, Niigata Prefectural Central Hospital, Joetsu, Japan, 2.OMS, the Nippon Dental Univ., Niigata Hospital, Niigata, Japan, 3.Dept. of OMS, the Nippon Dental Univ., School of Life Dentistry at Niigata, Niigata, Japan)

HATA Saya¹, MATSUMOTO Kenji¹, TANAKA Shigeo¹, KOMIYA Masamichi¹, SUEMITSU Masaaki², UTSUNOMIYA Tadahiko², KUYAMA Kayo² (1.Dept. of Oral Surgery, Nihon Univ. School of Dentistry at Matsudo, Chiba, Japan, 2.Dept. of Pathology, Nihon Univ. School of Dentistry at Matsudo, Chiba, Japan)

TAKETOMI Takaharu¹, NAKAMURA Ken^1,2, EZAKI Yui¹, KUSUKAWA Jingo¹ (1.Dental and Oral Medical Center, Kurume Univ. School of Medicine, Kurume, Fukuoka, Japan, 2.Dept. of Dental and Oral Surgery, Takagi Hospital, Okawa, Fukuoka, Japan)

TKAMIZAWA Sohichi, YOSHIMURA Nobuhiko, KUBOTA Shohei, UEHARA Shinobu (Dental and Oral Surgery, Shinshu Ueda Medical Center, Tokyo, Japan)