Objective to explore a new method to restore posterior teeth with elastic base material combining casting metal frameworks.
目的将弹性基托材料与铸造金属支架结合，探索一种新的修复后牙的方法。
Conclusion the combination dentures have the advantages of both casting frame and elastic resin and can be used widely.
结论：铸造支架与弹性树脂联合义齿兼有两者的优点，又克服了各自的不足，值得在临床中推广。
The results of metallograph, X ray diffraction, and resistance experiments confirmed that thermal elastic martensitic transformation could be showed in casting Cu Al Be alloys.
结果表明，超声速度与合金相状态有关，而且对热弹性马氏体相变及其逆相变非常敏感。
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