固定义齿固位体设计，不正确的是 ["A．固定义齿固位力应高于个别牙修复 ","B．双端固定桥两端基牙固位体的固位力应基本相等 ","C．各固位体之间有共同就位道 ","D．基牙有缺损或畸形者，设计固位体时分开修复 ","E．简单桩冠一般不作为固位体"]
一旦根管侧穿，如何处理 ["A．立即拔除 ","B．及时用麻黄素小棉球局部止血 ","C．立即聚羧酸锌黏固桩冠 ","D．以牙胶暂封 ","E．以上均可"]
下列与人工牙折断无关的是() ["A．覆过大，前伸运动时撞击 ","B．塑料牙盖嵴部未磨粗糙、单体溶胀不够 ","C．人工牙与基托的接触面被分离剂污染 ","D．覆盖过大，前伸运动时撞击 ","E．人工牙的质量不好"]
“家长参与”的定义
攻击性行为是指？
保育员是指？
