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首页> 外文期刊>Journal of Functional Biomaterials >A Review of Glass-Ionomer Cements for Clinical Dentistry
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A Review of Glass-Ionomer Cements for Clinical Dentistry

机译：玻璃离子水泥在牙科中的应用

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摘要

This article is an updated review of the published literature on glass-ionomer cements and covers their structure, properties and clinical uses within dentistry, with an emphasis on findings from the last five years or so. Glass-ionomers are shown to set by an acid-base reaction within 2–3 min and to form hard, reasonably strong materials with acceptable appearance. They release fluoride and are bioactive, so that they gradually develop a strong, durable interfacial ion-exchange layer at the interface with the tooth, which is responsible for their adhesion. Modified forms of glass-ionomers, namely resin-modified glass-ionomers and glass carbomer, are also described and their properties and applications covered. Physical properties of the resin-modified glass-ionomers are shown to be good, and comparable with those of conventional glass-ionomers, but biocompatibility is somewhat compromised by the presence of the resin component, 2 hydroxyethyl methacrylate. Properties of glass carbomer appear to be slightly inferior to those of the best modern conventional glass-ionomers, and there is not yet sufficient information to determine how their bioactivity compares, although they have been formulated to enhance this particular feature.
机译：本文是对玻璃离子水门汀的文献更新的综述，涵盖了其在牙科领域的结构，性能和临床用途，重点是过去五年左右的发现。已证明玻璃离聚物会在2-3分钟内因酸碱反应而凝固，并形成外观可接受的坚硬，相当坚固的材料。它们释放出氟化物并具有生物活性，因此它们在与牙齿的界面处逐渐形成坚固，耐用的界面离子交换层，这是其附着力的原因。还描述了玻璃离聚物的改性形式，即树脂改性的玻璃离聚物和玻璃卡波姆，并涵盖了它们的性质和应用。树脂改性的玻璃离聚物的物理性能显示出良好的性能，可与常规玻璃离聚物相媲美，但是由于树脂组分甲基丙烯酸2-羟乙酯的存在，生物相容性受到一定程度的损害。玻璃卡波姆的性能似乎略逊于最好的现代传统玻璃离聚物，尽管目前已对其进行配制以增强其特定功能，但尚无足够的信息来确定它们的生物活性如何比较。

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