Conclusion: complete overdenture with long crown abutments is superior to common complete denture in clinical effect.
结论：长冠基牙覆盖总义齿修复效果优于普通总义齿。
Crown and fixed bridge restoration is a very common technique in prosthodontics, and is used widely in the dental clinic with good results.
冠、桥修复是口腔常用的固定修复方法，已得到广泛的临床应用，取得了良好效果。
There is no remarkable differences on solution behaviors between the condensation polymers of dibenzo-18-crown-6 with sebacic acid(CEP-1 ) and common polymers when no salt present.
癸二酸- 二苯并-18-冠-6 共聚物在未络合时其溶液行为与通常聚合物无明显差异。
What would the emperor of Japan do if he could shed his weighty crown for a day and roam freely among the common people?
如果有一天日本天皇可以摘下他沉重的皇冠，成为一个普通人，他会做些什么呢？
The hypoid gear is in common use today due mainly to the fact that the offset pinion allows the propeller shaft to be set below, (for cars) or above, (for commercial vehicles) the crown wheel center.
现在的主减速器普遍使用准双曲面圆锥齿轮，这主要是因为 主动锥齿轮的偏移允许轿车上传动轴布置得比从动锥齿轮低 一些，而商用车上又允许布置得比从动锥齿轮高一些。
Summary: Crown and fixed bridge restoration is a very common technique in prosthodontics, and is used widely in the dental clinic with good results.
提要：冠、桥修复是口腔常用的固定修复方法，已得到广泛的临床应用，取得了良好效果。
Summary: Crown and fixed bridge restoration is a very common technique in prosthodontics, and is used widely in the dental clinic with good results.
提要：冠、桥修复是口腔常用的固定修复方法，已得到广泛的临床应用，取得了良好效果。
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