单项选择题
A.用力将义齿戴入 B.确定阻碍部位后逐步调改、缓冲 C.缓冲卡环体 D.调整牙合支托 E.缓冲基托组织面
A.9~10mm B.7~8mm C.5~6mm D.3~4mm E.1~2mm
A.>1.0mm B.0.75~1.0mm C.0.5~0.75mm D.0.25~0.5mm E.<0.25mm
A.与龈缘接触 B.离开11~15mm C.离开6~10mm D.离开4~6mm E.离开1~3mm
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