1. Kazumasa Asano, DDS, Operative Dentistry, Nihon University School of Dentistry, Chiyoda-Ku, Tokyo, Japan
2. Ryo Kawamoto, DDS, Operative Dentistry, Nihon University School of Dentistry, Chiyoda-Ku, Tokyo, Japan
3. Masayoshi Iino, DDS, Operative Dentistry, Nihon University School of Dentistry, Chiyoda-Ku, Tokyo, Japan
4. Tetsuya Fruichi, DDS, Operative Dentistry, Nihon University School of Dentistry, Chiyoda-Ku, Tokyo, Japan
5. Kie Nojiri, DDS, Operative Dentistry, Nihon University School of Dentistry, Chiyoda-Ku, Tokyo, Japan
6. Toshiki Takamizawa, DDS, PhD, Operative Dentistry, Nihon University School of Dentistry, Chiyoda-Ku, Tokyo, Japan
7. Masashi Miyazaki, DDS, PhD, Operative Dentistry, Nihon University School of Dentistry, Chiyoda-Ku, Tokyo, Japan