侧腭杆距牙龈缘约A.1~3mmB.约4mmC.4~6mmD.6~8mmE.8~10mm
侧腭杆距牙龈缘约
A.1~3mm
B.约4mm
C.4~6mm
D.6~8mm
E.8~10mm
相关考题:
侧腭杆离开龈缘的距离至少是A.1~2mmB..2~4mmC.4~6mmD.6~8mm
侧腭杆距牙龈缘约
A.1~3mm
B.约4mm
C.4~6mm
D.6~8mm
E.8~10mm