题目内容
下列关于FR酚醛树脂渗透作用的叙述最确切的是
2022-03-10
A.仅渗入主根管
B.渗透性弱
C.仅渗入主根管和侧根管
D.可渗入主根管和侧根管及牙本质小管
E.能渗入主根管的颈中1/3
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