Dent Mater J:全新划痕和拉伸试验评估自粘结流动复合树脂的粘接强度

2020-01-18 lishiting MedSci原创

这篇研究的目的是使用一种全新的划痕试验以及拉伸试验评估人造的腐蚀釉质或牙本质与作为涂层材料的自粘结复合树脂之间的粘接强度。

这篇研究的目的是使用一种全新的划痕试验以及拉伸试验评估人造的腐蚀釉质或牙本质与作为涂层材料的自粘结复合树脂之间的粘接强度。研究将牙冠釉质或牙本质暴露于腐蚀循环中(artificial saliva [AS], pH:7.0 for 6.5 h and acidic carbonated beverages for 5 min, alternated 3 times per day)以制备腐蚀表面或存储于AS中以形成再矿化表面。将2种自粘结流动复合树脂,Fusio和LLB-CR6 (prototype),以及一种常规流体树脂BEAUTIFIL FLOW和自酸蚀底漆系统Clearfil Mega Bond应用于釉质或牙本质表面;随后测试其粘接强度。全新划痕试验显示,对于腐蚀表面来说,所有材料之间的粘接强度没有显著性差异。因此,这些自粘结流动复合树脂可以用作酸腐蚀牙齿表面的涂层材料。原始出处:Murase Y, Kotake H, et al. Use of new scratch test and tensile test for evaluation of bond strength o

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    2020-01-21 一天没事干

    很好的学习机会

    0

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    2020-01-20 chenshujs

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