*Okkar Kyaw¹, Masanao Inokoshi¹, Satoshi Yamaguchi², Shunsuke Minakuchi¹ (1. Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical And Dental University, 2. Department of Dental Biomaterials, Graduate School of Dentistry, Osaka University)

*MERVIN SAM ECON ECON^1,2,3 (1. Philippine Prosthodontic Society, 2. Royal Institute of Singapore - Dentistry, 3. Pierre Fauchard Academy Philippines)

*Roxana Stegaroiu¹, Koichi Kurokawa¹, Yoshiaki Arai², Yuta Yamazaki², Shigeo Tanaka³ (1. Niigata University Graduate School of Medical and Dental Sciences, Department of Oral Health and Welfare, 2. Niigata University Medical and Dental Hospital, Oral Implant Clinic, 3. Kanazawa University Institute of Science and Engineering, Bioengineering Laboratory)