*Masatsugu Hirota¹, Chihiro Mochizuki², Toshitsugu Sakurai^1,3, Chikahiro Ohkubo^1,3 (1. Department of Education for Dental Medicine, Tsurumi University School of Dental Medicine, 2. BIOAPATITE Inc., 3. Department of Oral Rehabilitation and Prosthodontics, Tsurumi University School of Dental Medicine)

*Hideki Nishiura¹, Muneaki Tamura², Yuwa Takahashi¹, Yurika Ide¹, Shinji Okada¹, Kensuke Nishio¹, Jun Lee¹, Tetsuo Fujita¹, Satoru Yuasa¹, Toshimitsu Iinuma¹ (1. Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, 2. Department of Microbiology and Immunology, Nihon University School of Dentistry)

*Aoi Owada¹, Toshihiko Kamikawatoko¹, Mamoru Yotsuya¹, Yuu Tsuyuki¹, Takanori Sakai¹, Syuntaro Nomoto¹, Akihiro Ishikawa¹, Hideshi Sekine¹ (1. Department of Fixed Prosthodontics, Tokyo Dental College)