后牙中性、前牙反的矫治原则为()。
A.缩小牙弓或结合修复治疗
B.扩大牙弓,推磨牙向后,减径或减数
C.矫治前牙深覆盖
D.肌能训练矫治法
E.以上都不是
参考答案:E
详述子宫内膜增生期的组织学周期性变化。
A.He drank too much coffee last night.
B.He caught a cold last night.
C.He is nervous about his project.
D.He missed dinner last night.