问题
单项选择题
患者，女，59岁，
缺失，要求可摘局部义齿修复。检查见余留牙情况良好，下颌舌侧牙槽骨呈斜坡状。拟为基牙，采用弯制连接杆连接。活动义齿修复。
可摘局部义齿中，人工后牙纵折的最常见原因是（）
A．深覆
，咬合紧
B．人工牙无固位形
C．人工牙咬合升高
D．龈距离低
E．义齿基托范围大
F.基托过厚
G.以上都不是
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
患者，女，59岁，缺失，要求可摘局部义齿修复。检查见余留牙情况良好，下颌舌侧牙槽骨呈斜坡状。拟为基牙，采用弯制连接杆连接。活动义齿修复。
可摘局部义齿中，人工后牙纵折的最常见原因是（）
A．深覆，咬合紧
B．人工牙无固位形
C．人工牙咬合升高
D．龈距离低
E．义齿基托范围大
F.基托过厚
G.以上都不是
参考答案：D
| 用括号内所给动词的适当形式填空。 | |
3__________ near the river, they put their hats on a big stone (石头) and then 4 ___________ to fish. It was windy that day, and suddenly the wind blew their hats away. So they 5 ___________ the dog to 6 ___________ their hats back. When the dog got there, he 7 ___________ to take both hats together in his mouth. Do you know how he 8___________ it? He 9 ___________ that one of the hats was smaller than the other. So he 10 ___________ the smaller hat in the bigger one, and then he could carry them at the same time! 1._______ 2._______ 3._______ 4._______ 5._______ 6._______ 7._______ 8._______ 9._______ 10._______ |