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当前学科:口腔医学技术士专业实践能力
题目:
单选
前磨牙铸造牙合支托的宽度是()
A . 颊舌径的1/3
B . 颊舌径的2/3
C . 颊舌径的1/2
D . 颊舌径的1/4
E . 颊舌径的4/5
答案:
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