1. Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry
2. Department of Periodontology, Nihon University School of Dentistry
3. Department of Partial Denture Prosthodontics, Nihon University School of Dentistry
4. Department of Dental Anesthesiology, Nihon University School of Dentistry
5. Second Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry