题目内容

去除根管内全部牙髓

A. 干髓术
B. 根管充填术
C. 塑化治疗
D. 根尖诱导成形术
E. 活髓切断术

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A. The service there is not good.
B. The food might not be good.
C. The waiter is not hospitable.
D. The restaurant is too small.

A. HLB=1～3
B. HLB=7～9
C. HLB=15～18
D. HLB=3～8
E. HLB=8～16