牙本质的增龄性变化和反应性变化不包括()
A.透明牙本质
B.继发性牙本质
C.修复性牙本质
D.死区
E.球间牙本质
E、球间牙本质
A.透明牙本质
B.继发性牙本质
C.修复性牙本质
D.死区
E.球间牙本质
E、球间牙本质
牙本质因增龄性改变而形成的牙本质称为
A.原发性牙本质
B.前期牙本质
C.继发性牙本质
D.修复性牙本质
E.矿化牙本
A.尽量多的保留健康牙体组织
B.正确判断牙髓状况
C.为阻止龋病发展,去除龋坏组织时务必将所有软化牙本质去尽
D.熟悉髓腔解剖及增龄性变化
E.不作预防性扩展
After 1985 the United States asked Germany and Japan to adopt fiscal and monetary expansion as ways of increasing foreign demand for U.S. output and reducing the American current account deficit.Would fiscal expansion by Germany and Japan have accomplished these goals? What about monetary expansion? Would your answer change if you thought different German and Japanese policies might facilitate different U.S. policies?