侧腭杆离开龈缘应
A.8mm
B.至少6mm
C.4~6mm
D.3~4mm
E.1.5~2mm
请帮忙给出正确答案和分析,谢谢!
前腭杆宽为A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
前腭杆离开龈缘应A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
舌杆离开龈缘应A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
马蹄状腭板前缘离开龈缘应A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
侧腭杆离开龈缘的距离至少是A. 1 ?2mmB. 2?4mmC. 4?6 mmD. 6 ?8mmE
侧腭杆应离开龈缘