乳牙根管充填材料常选用（） A.氢氧化钙制剂 B.氧化锌丁香油糊

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问题单项选择题

乳牙根管充填材料常选用（）

A.氢氧化钙制剂

B.氧化锌丁香油糊剂+牙胶尖

C.氢氧化钙制剂+牙胶尖

D.氢氧化钙制剂+银尖

E.氧化锌丁香油糊剂+银尖

答案

参考答案：A

单项选择题

输液中常见的反应是

A．发热反应
B．循环负荷过重
C．静脉炎
D．空气栓塞
E．过敏反应

单项选择题

For two American options that differ only in time to expiration, pest statement we can make is that :()

A. the longer-term option must be worth more than the shorter-term option.

B. the longer-term option must be worth less than the shorter-term option.

C. the longer-term option must be worth at least as much as the shorter-term option.