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Dent Mater J：高透明度牙科用氧化锆的化学耐久性评估

2019-09-18 lishiting MedSci原创

氧化锆化学耐久性
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这篇文献回顾的目的是为了描述高透明度牙科氧化锆材料的低温降解(LTD)、变色和腐蚀性，并讨论它与其他CAD/CAM相比较下的化学耐久性。氧化锆LTD主要依赖于熔解温度、钇含量、表面处理和热处理。

这篇文献回顾的目的是为了描述高透明度牙科氧化锆材料的低温降解(LTD)、变色和腐蚀性，并讨论它与其他CAD/CAM相比较下的化学耐久性。氧化锆LTD主要依赖于熔解温度、钇含量、表面处理和热处理。

用于CAD/CAM的玻璃陶瓷在60°C乳酸、60°C KOH溶液和90°C生理盐水内明显会受到侵蚀，而氧化锆在这些溶液中没有丝毫改变。用于CAD/CAM的玻璃陶瓷和复合树脂在37°C红葡萄酒和若丹明b溶液中表现出明显的变色，而氧化锆在任何一种溶液中均无变色。结果表明，高透明度牙科氧化锆在所有牙科用CAD/CAM材料中化学耐久性最高。

原始出处：

Ban S. Chemical durability of high translucent dental zirconia. Dent Mater J. 2019 Sep 11. doi： 10.4012/dmj.2019-109.

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    2020-01-26 heli0118

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    2019-09-28 12498c32m68暂无昵称

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    2019-09-20 medsci248

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    2019-09-20 xzw115

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