A.0.18~0.25mm B.3~3.5mm C.2.5~3.5mm D.1~2mm E.2mm X线片上牙周膜间隙的正常宽度为

admin2012-11-03  32

问题 A.0.18~0.25mm
B.3~3.5mm
C.2.5~3.5mm
D.1~2mm
E.2mm
X线片上牙周膜间隙的正常宽度为

选项 A、 
B、 
C、 
D、 
E、 

答案A

解析
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