H OKA¹, H SAITO^1,2, N ANNBO¹, M ITABASHI¹, M YOSHITANI¹, E YAMAMOTO¹, I MIKAMI¹, H YOSHIMURA¹ (1.Institute of HOKKAIDO PLASTIC DENTISTRY, 2.Hokkaido University Hospital Center of Advanced Oral Medicine Clinic of Oral Implant)

K NISHI, H TKKATA, A MATSUURA (Kyushu Branch)

S NAKAMURA, T KANEKO, M NISIHARA, S HINO, K KONDO, I MASUDA, T SHIMOYAMA, N HORIE (Department of Oral and Maxillofacial Surgery,Saitama medical center,Saitama Medical University)

T KOBAYASHI, K SAKAMOTO, K KIDA, Y FURUYA, T ITO, M MATSUURA, Y YAJIMA (Department of Oral and Maxillofacial Implantology, Tokyo Dental College, Japan)

K KON, M SHIOTA, M OZEKI, T FUJIMORI, N TACHIKAWA, H NAKATA, S KURODA, S KASUGAI (Tokyo Medical and Dental University Oral Implantology and Regenerative Dental Medicine)