患者43岁,左上牙急性牙痛,诊断为急性牙髓炎
面开髓孔洞形应是()
A.三角形
B.圆形
C.方形
D.颊舌向长的短椭圆形
E.近远中向长的短椭圆形
参考答案:D
____ it is rainy today, ____ he still works outside.
A.Although, but
B.But, although
C./, although
D.Although, /
下面哪个不是造成脱辊的原因()
A、辊距过小
B、辊距过大
C、胶质硬
D、含胶率过低