1. Department of Periodontology, Nihon University School of Dentistry
2. Inorganic Functional Analysis Laboratory, Department of Materials and Applied Chemistry, College of Science and Technology, Nihon University
3. Department of Microbiology, Nihon University School of Dentistry
4. Department of Physiology, Nihon University School of Dentistry
5. Department of Oral and Maxillofacial Surgery, Nihon University School of Dentistry
6. Department of Orthodontics, Nihon University School of Dentistry