*Yuji Uchida¹, Atsushi Takaichi¹, Yuka Kajima¹, Hidekazu Takahashi², Manabu Kanazawa³, Noriyuki Wakabayashi¹ (1. Department of Advanced Prosthodontics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 2. Course for Oral Health Engineering, Faculty of Dentistry, Tokyo Medical and Dental University , 3. Department of Digital Dentistry, Graduate School of Medical and Dental Sciences,Tokyo Medical and Dental University)

*Atsuo Nakanishi¹, Yutaro Oyamada¹, Kazuhiro Kon¹, Yuka Sasaki¹, Jun Yokota¹, Norimasa Tanabe¹ (1. Department of Prosthodontics and Oral Implatntology School of Dentistry,Iwate Medical University )

*Yuka Sasaki¹, Yutaro Oyamada¹, Kazuhiro Kon¹, Atuo Nakanishi¹, Mitsuru Izumisawa², Noriaki Takahashi², Ryota Sakai², Norimasa Tanabe¹ (1. Department of Prosthodontics and Oral Implantology, Iwate Medical University , 2. Division of Oral and Maxillofacial Radiology, Department of Oral and Maxillofacial Reconstructive Surgery)