1. Tokyo Plastic Dental Society Tokyo Japan
2. Bioscience & Technology Development CenterFIJIFILM Corporation Kanagawa Japan
3. Division of ImplantologyNiigata University Medical and Dental Hospital Niigata Japan
4. Bioscience Medical Research CenterNiigata University Medical and Dental Hospital Niigata Japan
5. Division of Oral BioengineeringInstitute of Medicine and Dentistry, Niigata University Niigata Japan