(来学网)正畸治疗中牙根吸收多少称为明显的根吸收
  • A.
    (来学网)小于0.5mm
  • B.
    (来学网)1~2mm
  • C.
    (来学网)大于3mm
  • D.
    (来学网)0.5~1mm
  • E.
    (来学网)大于6mm