IIDA Kazuki, OKUDA Takahiro, BUNAI Katsuaki, HATAKEYAMA Daijiro, KATO Keizo, SHIBATA Toshiyuki (Dept. of OMS, Gifu Univ. Graduate School of Medicine, Gifu, Japan)

SUZUKI Keisuke, KURIHARA Jun, OGAWA Masaru, YOKOO Satoshi (Dept. of OMS, Plastic Surgery, Graduate School of Medicine, Univ. of Gunma, Gunma, Japan)

UTO Ryo^1,2, AIZAWA Soichi^1,2, MAMIYA Atsushi², HIROHATA Naoko², KITANO Hisataka² (1.Dentistry and Oral Surgery Yokohama Chuo Hospital Kanagawa Japan, 2.Dental and Oral Surgery Nihon Univ. Itabashi Hospitalze)

OKADA Azusa, WAKABAYASHI Ken, KITAHIRA Yukiko, FUJITA Yusei, SUMI Tetsuro (OMS, Toyonaka Municipal Hospital, Osaka, Japan)

IKEUE Natsumi, HIRAISHI Yukihiro, SATAKE Asuka, SHIMIZU Koji (Japanese Red Cross Wakayama Medical Center, Wakayama, Wakayama, Japan)