第8题: [单项选择]用嵌体作固位体最适合哪一种固定桥() A. 单端固定桥 B. 双端固定桥 C. 半固定桥 D. 粘结固定桥 E. 复合固定桥 参考答案:B 答案解析:嵌体是一种嵌入牙体内部,用以恢复牙体缺损的形态和功能的修复体或冠内固位体,一般适用于基牙已有龋病,去龋蚀后将洞形略加修整,可获得嵌体的固位形;另外缺牙间隙窄,咬合力小,对固位体的固位力要求不高者。而双
第11题: [单项选择]If the probability of an event is 0.20, what are the odds against the event occurring 参考答案:A 答案解析:The answer can be determined by dividing the probability of the event by the probability that it wil