[单选题]

根管充填时主尖应达距X线片所示根尖A.0.1~0.15mmB.0.2~0.25mmC.0.3~0.4mmS

根管充填时主尖应达距X线片所示根尖

A.0.1~0.15mm

B.0.2~0.25mm

C.0.3~0.4mm

D.0.5~2mm

E.2.5~3mm

参考答案与解析:

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根管充填时主尖应达距X线片所示根尖