| Affiliation: | 1. Department of Periodontology, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University, Tokyo, Japan;2. Division of Periodontology, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, Kanagawa, Japan;3. Department of Educational Media Development, Institute for Library and Media Information Technology, Tokyo Medical and Dental University, Tokyo, Japan;4. Oral Diagnosis and General Dentistry, University Hospital of Dentistry, Tokyo Medical and Dental University, Tokyo, Japan;5. Department of Biomaterials, Kyoto University, Kyoto, Japan |
