题目内容

阻生牙拔除时的阻力不包据

A. 软组织阻力
B. 冠部骨阻力
C. 根部骨阻力
D. 对殆牙阻力
E. 邻牙阻力

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在拔除下镇低位阻生智齿时最常损伤的神经为

A. 下牙槽神经
B. 颊神经D.颏神经
C. 舌神经E.下颌神经

患者左下领阻生智齿为三根,拔除过程中远中舌根折断约3mm 根尖无病变采取的最佳治疗方案是

A. 根钳拔除
B. 根挺拔除
C. 翻瓣去骨拔除
D. 延期拔除
E. 不予拔除暂观察

25. If Mary had _________ the situation to Tom, he would have understood it.

A. supplied
B. explained
C. charged
D. thrown

26. I'm pleased to receive your letter of April 10th , _________ for our catalogue and price-list.

A. ask
B. asked
C. to ask
D. asking