1. Department of Anatomy and Functional Restorations, Integrated Health Sciences, Hiroshima University Graduate School of Biomedical and Health Sciences
2. Department of Biomaterials, Basic Life Sciences, Hiroshima University Graduate School of Biomedical and Health Sciences
3. Division of Dental Technician, Department of Clinical Practice and Support, Hiroshima University Hospital
4. Department of Fixed Prosthodontics, Nihon University School of Dentistry