Dr. Kazuhiko Nakano completed his D.D.S. degree at Osaka University and received a Ph.D. from Osaka University. Later, he was appointed as Chief of the Outpatient Clinic of the Pediatric Dentistry Clinic, Osaka University Dental Hospital. More recently, Dr. Nakano became Professor of the Department of Pediatric Dentistry, Osaka University Graduate School of Dentistry as well as Head of the Pediatric Dentistry Clinic of Osaka University Dental Hospital. Dr. Nakano is a trustee of the Japanese Society of Pediatric Dentistry, and a member of the International Association of Dental Research. He has authored and co-authored many original research articles and clinical reports, as well as several book chapters in the field of pediatric dentistry and clinical oral microbiology.