垫厚度将上下前牙离开多少最为适宜A.5mm B.0.5~1mm C.1.5~2mm D.3mm E.0.3~0.5mm

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问题 垫厚度将上下前牙离开多少最为适宜

选项 A.5mm
B.0.5~1mm
C.1.5~2mm
D.3mm
E.0.3~0.5mm

答案E

解析
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