儿童鼻腔光滑块状异物的取出方法是()。
A.用镊子类取
B.用圈套器圈套异物
C.用环状器械将异物钩出
D.将异物推向鼻咽部经口吐出
E.用止血钳取
参考答案:C
Diaoyu Island issue, unless ________ properly, will directly affect smooth development of relationships between China and Japan.
A.handling
B.having handled
C.handle
D.handled
急性根尖周脓肿时,医生建立最佳的引流通道是()
A.根尖孔→根管→龋洞
B.根尖部→牙周袋
C.根尖部→齿槽骨→黏膜下
D.根尖部→齿槽骨→皮肤下
E.根尖部→牙周间隙→龈袋