FC活髓切断术牙髓的组织变化为A．根髓固定纤维化 B．根管口形成_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

FC活髓切断术牙髓的组织变化为

A．根髓固定纤维化

B．根管口形成硬组织桥

C．牙髓钙变

D．牙髓活力正常

E．根管内壁吸收

答案

参考答案：A

选择题

After school we went to the readingroom to do some reading, only to be told that it ________.

A. was decorated
B. had decorated
C. had been decorating
D. was being decorated

单项选择题

对慢性呼吸衰竭，失代偿性呼吸性酸中毒的处理原则，最重要的是（）

A.增加通气量

B.持续低流量给氧

C.积极控制感染

D.补充碳酸氢钠纠正酸中毒

E.治疗原发病