Fumi YOSHIDA1, Akimasa Tsujimoto2,1, Ryo Ishii1, Kie Nojiri1, Toshiki Takamizawa1, Masashi Miyazaki1, Mark Latta2
1Department of Operative Dentistry, Nihon University School of Dentistry
2Department of General Dentistry, Creighton University School of Dentistry