(来学网)悬空桥桥体龈面与牙槽嵴黏膜之间的间隙为
  • A.
    (来学网)1~2mm
  • B.
    (来学网)3~5mm
  • C.
    (来学网)6~8mm
  • D.
    (来学网)9~10mm
  • E.
    (来学网)11~12mm