*Quang Van Nguyen¹, Yosuke Akiba¹, Kaori Eguchi¹, Naomi Akiba¹, Katsumi Uoshima¹ (1. Division of Bio-prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences)

*Yuya Iwamoto^1,2,3, Mana Hasegawa^2,3, Kensuke Yamamura³, Noritaka Fujii^1,2 (1. Division of Dental Clinical Education, Niigata University Graduate School of Medical and Dental Sciences, 2. General Dentistry and Clinical Education Unit, Niigata University Medical and Dental Hospital, 3. Division of Oral Physiology, Niigata University Graduate School of Medical and Dental Sciences.)

*Anh Tuan Dang^1,2, Mitsuaki Ono^1,3, Ikue Tosa², Wakana Kitagawa^1,2, Toshitaka Oohashi¹, Takuo Kuboki^2,3 (1. Department of Moleculer Biology and Biochemistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2. Department of Oral Rehabilitation and Regenerative Medecine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 3. Department of Oral Rehabilitation and Implantology, Okayama University Hospital)