*AHMED SAMEIR ALI¹, Sumita Yuka^1,2, Natsuko Murakami¹, Noriyuki Wakabayashi¹ (1. Department of Advanced Prosthodontics, Tokyo medical and dental university , 2. Division of General Dentistry4, The Nippon Dental University Hospital)

*Yoshie Okada¹, Tomoaki Mameno¹, Yuki Murotani¹, Kazunori Nozaki², Kazunori Ikebe¹ (1. Department of Removable Prosthodontics and Gerodontology, Osaka University Graduate School of Dentistry, 2. Division of Medical Informatics, Osaka University Dental Hospital)

*Shohgo Shibata¹, Jyotetsu takeyama¹, Nagame Mizokoshi¹, Keisuke Kohori¹, Mituki Masumoto¹, Mai Shirai¹, Hidemasa Shinpo¹, Chikahiro Ohkubo¹, Ren Xiangyu³, Qi Keyu³, Namano Sahaprom³, Yo Akiyama³, Maiko Iwaki², Manabu Kanazawa², Shunnsuke Mizukuti³ (1. Department of Oral Rehabilitation and Prosthodontics Tsurumi University School of Dental Medicine, 2. Digital Dentistry, Tokyo Medical and Dental University, 3. Gerodontology and Oral Rehabilitation, Tokyo Medical and Dental University)