(来学网)全口义齿排牙时,上颌尖牙与(牙合)平面系是
  • A.
    (来学网)保持接触
  • B.
    (来学网)离开10.mm
  • C.
    (来学网)离开0.5mm
  • D.
    (来学网)离开1.5mm
  • E.
    (来学网)离开2.0mm