(来学网)在制作金属烤瓷桥蜡型时,桥体龈端应距牙槽嵴
  • A.
    (来学网)0.5mm
  • B.
    (来学网)1mm
  • C.
    (来学网)2mm
  • D.
    (来学网)3mm
  • E.
    (来学网)5mm