(来学网)Ⅰ度松动牙的松动幅度是
  • A.
    (来学网)不超过1mm
  • B.
    (来学网)1~1.5mm
  • C.
    (来学网)1.5~1.8mm
  • D.
    (来学网)1.8~2mm
  • E.
    (来学网)大于2mm
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