A.0.5~0.8mm B.0.9~1mm C.1~1.5mm D.2.5

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问题 A.0.5~0.8mmB.0.9~1mmC.1~1.5mmD.2.5mm左右E.3~4mm

选项 前牙切支托凹宽度的范围

答案D

解析1.前牙切支托宽约2.mm,深约1.5mm
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