1. Division of Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Reconstructive Surgery, School of Dentistry Iwate Medical University Iwate Japan
2. Division of Oral Radiology, Department of Oral and Maxillofacial Reconstructive Surgery, School of Dentistry Iwate Medical University Iwate Japan
3. Division of Dental Education, Department of Oral Medicine, School of Dentistry Iwate Medical University Iwate Japan