*Yuichi Yamatani1, Takumi Kasahara1, Honoka Nakamura1, Sieun Lee1, Mariko Hattori2, Noriyuki Wakabayashi2, Manabu Kanazawa1,3
(1. Dental Laboratory, Tokyo Medical and Dental University Hospital, 2. Advanced Prosthodontics, Graduate School of Medical and Dental Sciences , Tokyo Medical and Dental University, 3. Digital Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University)