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Dent Mater J：微缝对氧化锆与牙科材料粘接的影响

2019-10-12 lishiting MedSci原创

微缝氧化锆粘接
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这篇研究的目的是评估由Nd:YVO4激光束切割制备的微缝对2种氧化锆，yttria-partially stabilized zirconia (Y-TZP)和ceria-partially stabilized zirconia/alumina nanocomposite (Ce-TZP/A)与陶瓷或2种树脂粘接强度的影响。

这篇研究的目的是评估由Nd：YVO4激光束切割制备的微缝对2种氧化锆，yttria-partially stabilized zirconia (Y-TZP)和ceria-partially stabilized zirconia/alumina nanocomposite (Ce-TZP/A)与陶瓷或2种树脂粘接强度的影响。研究将氧化锆片分为3组：1) 未处理(NT)； 2) 使用氧化铝颗粒喷砂(AB)； 3) 采用激光束加工焊接氧化锆表面形成微缝(MS)。在陶瓷或树脂粘接氧化锆样本后，一半的树脂样本进行热循环处理直至20000个循环。结果显示，微缝未能改善陶瓷和2种氧化锆之间的剪切粘接强度。在热循环前后，间接复合树脂或丙烯酸树脂与含微缝Y-TZP的粘接强度最高。结果表明，对于Y-TZP，微缝能够形成微机械嵌锁并改善粘接强度和树脂的耐久力。原始出处：Iwaguro S， Shimoe S， et al. Effect of microslit retention on the bond strength of zirconia to dental materials. Dent Ma

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    2020-07-09 wgx306

    #牙科材料#

    0

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    2019-10-14 medsci248

    #氧化锆#

    0

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    2019-10-14 xzw115

    #牙科#

    0