问题
单项选择题
男,46岁。3年前行固定义齿修复,目前咬合疼痛,义齿松动,要求重新固定义齿修复。检查:固定桥修复体己脱位,固位体为3/4冠,全冠,基牙Ⅰ度—Ⅱ度松动。
固定义齿脱落的原因是()
A.力过大
B.黏固剂被溶解
C.固定桥强度差
D.共同就位道不一致
E.两端固位力不一致
答案
参考答案:A
男,46岁。3年前行固定义齿修复,目前咬合疼痛,义齿松动,要求重新固定义齿修复。检查:固定桥修复体己脱位,固位体为3/4冠,全冠,基牙Ⅰ度—Ⅱ度松动。
固定义齿脱落的原因是()
A.力过大
B.黏固剂被溶解
C.固定桥强度差
D.共同就位道不一致
E.两端固位力不一致
参考答案:A
情景交际。从方框中选出正确的选项,补全对话。 | |
A: Excuse me! B: Yes? 1_____ A: Could you tell me the way to the West Park? B: 2_____ Go along this street, then turn left at the first crossing. A: Oh, I'm sorry. I can't follow you. 3_____ B: OK. Go along this street, then turn left at the first crossing. Go on until you reach the end of the street, then you will find it. A: 4_____ B: No, it isn't It will take you ten minutes to walk there. A: Thank you very much. B: 5_____ | |
|