1. Division of Dental Pharmacology, Faculty of Dentistry and Graduate School of Medical and Dental Science, Niigata University, Niigata, Japan
2. Division of Reconstructive Surgery for Oral and Maxillofacial Region, Faculty of Dentistry and Graduate School of Medical and Dental Science, Niigata University, Niigata, Japan
3. Division of Cariology, Operative Dentistry and Endodontics, Faculty of Dentistry and Graduate School of Medical and Dental Science, Niigata University, Niigata, Japan