题目内容

Immediately after cementing a full cast gold crown,the patient complains of a shooting pain every time the opposing teeth touch because of()

A. galvanic current
B. microleakage
C. hyper-occlusion ofthe crown
D. excess acid in cement

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更多问题

当对颌牙的咬合力作用在近-远-远(MOD)银汞合金修复体上并产生压缩时,为什么修复体以拉伸形式破坏?

延伸率属于口腔材料的()

A. 物理性能
B. 机械性能
C. 化学性能
D. 生物性能

stress strain curves

何为应力-应变曲线?

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