5.牙齒易位(transversion)是指:
(A)牙齒側方傾倒(away from the line of occlusion)
(B)牙齒傾斜(tipped,the wrong axial inclination)
(C)牙齒旋轉(rotated on its long axis)
(D)與鄰牙錯位(transposition,wrong order in the arch)

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統計: A(17), B(3), C(16), D(189), E(0) #1035496