题目内容

初戴上颌局部义齿时，如果发现弯制的后腭杆离开腭黏膜2mm，处理方法是

A. 不必处理
B. 腭杆组织面加自凝树脂重衬
C. 腭杆组织面缓冲
D. 取出腭杆，让患者戴走
E. 取下腭杆，戴义齿取印模，在模型上重新加腭杆

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