*Yoshiatsu Tanaka^1,2, Hajime Hirata^3,1, Yoshihiro Tanaka¹, Morio Ochi² (1. Horai Chuo Dental Office, 2. Health Sciences University of Hokkaido, 3. Hirata Dental Office)

*Woong-gi Han¹, Jaeyoung Kim¹ (1. Yonsei University College of Dentistry, Department of Prosthodontics)

*Ting Jing Kweh¹, Muaiyed Mahmoud Ali Buzayan², Eshamsul Sulaiman² (1. Division of Restorative Dentistry, International Medical University , 2. Department of Restorative Dentistry, University of Malaya )

*Pravinkumar G Patil¹, Liang Lin Seow¹, Rashmi Uddanwadikar², Allan Pau¹, Piyush Ukey³ (1. School of Dentistry, International Medical University Kuala Lumpur, Malaysia, 2. Visvesvaraya National Institute of Technology Nagpur, India, 3. NU OSSA Mediquip Pvt Ltd Nagpur, India)

*Khin Pyae Sone^1,2, Hidekazu Takahashi¹, Maiko Iwaki¹, Sahaprom Namano¹, Yuriko Komagamine¹, Manabu Kanazawa¹, Shunsuke Minakuchi¹ (1. Tokyo Medical and Dental University, 2. University of Dental Medicine (Yangon))