题目内容
患者,女,7岁,右上颌中切牙外伤冠折、切角缺损,即刻就诊。口腔检查发现:穿髓孔大,探痛明显,可疑叩痛。治疗首选
2022-03-29
A.直接盖髓术
B.活髓切断术
C.拔髓术
D.根管治疗术
E.塑化疗法
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