铸造金属全冠牙体预备时,(来学网)面应磨除
  • A.
    (来学网)0.3~0.5mm
  • B.
    (来学网)0.6~0.7mm
  • C.
    (来学网)0.8~1.0mm
  • D.
    (来学网)1.2~1.5mm
  • E.
    (来学网)1.5mm以上
正确答案:
C