问题
多项选择题
圆锥型套筒冠义齿基牙制备正确的是()
A．各轴壁的预备量比一般金属烤瓷全冠基牙预备量大
B．牙周组织有破坏吸收的磨牙面可预备出2.5mm，甚至大于2.5mm的间隙
C．各轴面的牙体颈缘应制备出宽度为0.8～1.0mm的肩台
D．颈缘可制成直角肩台或斜面肩台
E．牙体各轴壁的轴角应圆钝
答案
参考答案：A, B, D, E
搜题请搜索小程序“爱下问搜题”
圆锥型套筒冠义齿基牙制备正确的是()
A．各轴壁的预备量比一般金属烤瓷全冠基牙预备量大
B．牙周组织有破坏吸收的磨牙面可预备出2.5mm，甚至大于2.5mm的间隙
C．各轴面的牙体颈缘应制备出宽度为0.8～1.0mm的肩台
D．颈缘可制成直角肩台或斜面肩台
E．牙体各轴壁的轴角应圆钝
参考答案：A, B, D, E
sightings of puzzling lights in the key and reports of alien visits around the time of his 小题3:__________. His sister Kelly recalled that standing inside were lots of strange 小题4:___________with white skin and large black eyes. She was frightened. But his mother 小题5:._________ Kelly was having a dream and sent her to bed. Police have 小题6:. _________ the possibility that Justin was taken by aliens, but are also looking into other possibilities. Detective Sam Peterson, who has taken charge of the case, thought that people sometimes 小题7:.__________amazing stories, and there might be other possibilities such as murder. There is really no hard evidence that aliens took him away. They wouldn’t give up until they found 小题8:.____________ evidence. |