题目内容
固定桥中的金属舌背主要适用于
2021-11-10
A.前牙桥咬合紧、給力大，桥体唇舌径薄
B.前牙桥牙冠短、拾力小，缺隙间隙小
C.前牙桥牙冠长、耠力大，桥体唇舌径厚
D.前牙桥咬合呈开耠
E.前牙桥缺失牙多
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