42.下列那些是與牙齒有化學鍵結的單體? ① MDP(10-methacryloyloxydecyl dihydrogen phosphate) ② GPDM (glycerol phosphate dimethacrylate) ③DDCDMA(dimer dicarbamate dimethacrylate) ④ 4-META (4-methacryloyloxyethyl trimetellitic acid)
(A)②③④
(B)①③④
(C)①②④
(D)①②③
答案:C
統計:A:54,B:79,C:174,D:74,E:0
難度:適中