(来学网)全口义齿前牙排列时,上中切牙唇面距离切牙乳突中点为
  • A.
    (来学网)4~6mm
  • B.
    (来学网)6~8mm
  • C.
    (来学网)8~10mm
  • D.
    (来学网)10~12mm
  • E.
    (来学网)12~14mm