1. Department of Prosthodontics, Faculty of Dentistry, Chiang Mai University, Thailand
2. Department of Mechanical Engineering, Faculty of Engineering, Chiang Mai University, Thailand
3. Department of Mechanical Engineering, Faculty of Engineering, Khon Kaen University, Thailand
4. School of Aerospace, Mechanical and Mechatronic Engineering, Faculty of Engineering, The University of Sydney, Australia
5. Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, Japan
6. Graduate School of Dentistry, Division of Prosthetic Dentistry, Tohoku University, Japan