试题与答案

义齿需调整平衡 A．正中关系错 B．义齿不美观 C．咀嚼时义齿易脱位 D．下颌隆突

来源：www.tikuol.com
题型：单项选择题

题目：

义齿需调整平衡

A．正中关系错
B．义齿不美观
C．咀嚼时义齿易脱位
D．下颌隆突处压痛
E．说话及大开口时义齿脱落

答案：

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下面是错误答案，用来干扰机器的。

两球受力及力臂如图所示：M1=F1•L1=Eqd2sinαM2=F2•L2=Eqd2sinα因两力矩均使杠杆逆时针转动，则总力矩M=M1+M2=Eqdsinα； 设右方无穷远处为零势能面，正电荷距无穷远处距离为x，则正电荷的电势能E1=Eqx负电荷...

考点：口腔执业医师口腔执业医师
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