问题 单项选择题 共用题干题

患者男,37岁,因釉质发育不良而颌面严重磨损。检查活髓牙,面广泛缺损,无龋坏,不松动,与对牙间有约1.0mm咬合间隙,邻接正常,余无特殊

拟为该患者进行高嵌体修复,牙体制备时下述哪一项是正确的()

A.面均匀磨去0.5~1.0mm

B.去除面过锐尖嵴

C.轴壁消除倒凹

D.龈边缘制作肩台

E.邻面制备出足够间隙

答案

参考答案:B

材料分析题

材料一:小刚在小学时就一直当班长,升入初中后,就对小学的同学和教师说,自己肯定还是班长,但他后来并未当选,从此觉得脸上无光,也没有了往日的活泼。

材料二:甲乙同学是同桌,有一天,甲同学带来一个新文具,乙同学看后不服的说:“我妈妈马上给我买最新款的,比你这个可好多了。”

材料三:小影因为同学说了一句“你怎么这么胖啊”,就觉得自己很难看,想尽一切办法节食,以致得了厌食症,身体极度虚弱,不得不休学。

阅读材料,回答问题:

(1)以上材料中,三名同学的“烦恼”是什么心理品质的表现?是真正的自尊吗?为什么?

                                                                                                                                                              

                                                                                                                                                              

(2)三名同学的心理对各自的生活和学习有什么危害? 

                                                                                                                                                                

                                                                                                                                                               

                                                                                                                                                              

(3)请你为他们想想办法,怎样才能摆脱这些烦恼?

                                                                                                                                                              

问答题 简答题