问题
单项选择题
患者男性，33岁，
残冠，根尖病变。拔除过程中，远中颊根折断，取根时，牙根突然消失。捏鼻鼓气时拔牙窝内有气体溢出
如X线片显示患者为低位上颌窦，移位的牙根已进入上颌窦，但仍位于拔牙窝附近，此时最佳处理方法（）
A．刮匙搔刮取根
B．观察
C．从穿孔处冲洗吸出断根
D．上颌窦根治术
E．于穿孔处开窗取根
答案
参考答案：E
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患者男性，33岁，残冠，根尖病变。拔除过程中，远中颊根折断，取根时，牙根突然消失。捏鼻鼓气时拔牙窝内有气体溢出
如X线片显示患者为低位上颌窦，移位的牙根已进入上颌窦，但仍位于拔牙窝附近，此时最佳处理方法（）
A．刮匙搔刮取根
B．观察
C．从穿孔处冲洗吸出断根
D．上颌窦根治术
E．于穿孔处开窗取根
参考答案：E
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