(来学网)用于冲洗智齿冠周炎的过氧化氢溶液的浓度应是
  • A.
    (来学网)0.1%~0.3%
  • B.
    (来学网)0.5%~0.9%
  • C.
    (来学网)1%~3%
  • D.
    (来学网)1.5%~2%
  • E.
    (来学网)3%~5%
口腔颌面外科学常识