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首页> 外文期刊>The Journal of Prosthetic Dentistry >Alloys for prosthodontic restorations.
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Alloys for prosthodontic restorations.

机译：修复牙齿的合金。

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摘要

The numbers and types of alloys for prosthodontic restorations have increased dramatically over the past 25 years, making selection of an alloy for a given clinical situation difficult. Factors such as cost, the need for better strength, and worries about alloy corrosion have pressured the alloy market to change significantly. A number of properties-including yield strength, hardness, elastic modulus, microstructural phases, grain size, corrosion performance, coefficient of thermal expansion, oxide color, and melting range-are relevant to the proper selection of an alloy for a given clinical problem. In this article, a brief historical look at prosthodontic alloys and the nomenclature for alloys is followed by a discussion of the most important physical properties of alloys for clinical practice. A summary of the types of alloys available today and their classification is then presented. Finally, speculations about future trends for alloys are made, and simple guidelines are suggested to help dentists choose appropriate alloys for their practices. This review excludes implant alloys, dental amalgam, and alloys for orthodontic and endodontic applications.
机译：在过去的25年中，用于修复牙齿的合金的数量和类型急剧增加，这使得针对特定临床情况选择合金变得困难。诸如成本，对更好的强度的需求以及对合金腐蚀的担忧等因素迫使合金市场发生巨大变化。许多特性，包括屈服强度，硬度，弹性模量，微观结构相，晶粒尺寸，腐蚀性能，热膨胀系数，氧化物颜色和熔化范围，都与给定临床问题上合金的正确选择有关。在本文中，简要介绍了修复牙齿的合金及其合金的命名历史，随后讨论了合金在临床实践中最重要的物理性质。然后概述了当今可用的合金类型及其分类。最后，对合金的未来趋势进行了推测，并提出了简单的指导原则，以帮助牙医为他们的实践选择合适的合金。该评价不包括植入物合金，牙科汞合金以及用于正畸和牙髓治疗的合金。

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