(来学网)女,50岁。上颌6521|12356缺失,余留牙正常。基牙应垓选择
  • A.
    (来学网)上颌743|47
  • B.
    (来学网)上颌74|47
  • C.
    (来学网)上颌73|47
  • D.
    (来学网)上颌43|47
  • E.
    (来学网)上颌73|7