(来学网)烤瓷构筑结束后,牙冠比天然牙冠实际大
  • A.
    (来学网)5%
  • B.
    (来学网)1%
  • C.
    (来学网)1.5%
  • D.
    (来学网)15%~20%
  • E.
    (来学网)20%~30%