21.上顎門齒牙冠受力移動時,下列何者最易出現?
(A)傾斜(tipping)
(B)整體移動(bodily movement)
(C)牙根扶正(root uprighting)
(D)下壓內縮(intrusion)
答案:登入後查看
統計: A(634), B(9), C(9), D(127), E(0) #1742190
統計: A(634), B(9), C(9), D(127), E(0) #1742190