Schedule 1 [O1-12] Wear of Ag-Pd-Au alloy and alternative materials for tooth prostheses *Kantaro Kmjima1, Takuya Kihara1, Hisaki Ogihara1, Rika Sano1, Tomoko Ikawa1, Yuko Shigeta1, Shuji Shigemoto1, Takumi Ogawa1 (1. Tsurumi University)