*Akiho Sunami¹, Masanao Inokoshi¹, Muneaki Tamura², Rena Takahashi³, Keita Hatano¹, Shunsuke Minakuchi¹ (1. Department of Gerodontology and Oral Rehabilitation, Division of Gerontology and Gerodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 2. Department of Microbiology and Immunology, Nihon University School of Dentistry, Japan, 3. Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan)

*Jamayet Nafij¹、Rashid Farah ²、Barman Aparna⁵、Patil Pravinkumar³、Farook Taseef²、Eusufzai Sumaiya Zabin⁴ (1. Senior Lecturer, Divison of Restorative Dentistry, School of Dentistry, International Medical University, 57000, Kuala Lumpur, Malaysia、2. Phd Research Fellow, Adelaide Dental School, The University of Adelaide, Adelaide, South Australia 5005, Australia、3. Associate Professor, Divison of Restorative Dentistry, School of Dentistry, International Medical University, 57000, Kuala Lumpur, Malaysia、4. Phd Research Fellow, School of Dental Sciences, Universiti Sains Malaysia, 16150, Kota Bharu, Malaysia、5. Master Research Fellow, School of Dental Sciences, Universiti Sains Malaysia, 16150, Kota Bharu, Malaysia)

*Sirus Safaee¹, Hiroshi Murata¹ (1. Nagasaki University, Department of Prosthetic Dentistry)