Dent Mater J:甲基丙烯酸三氟乙酯共聚单体对Bis-GMA类牙科复合材料物理性质的影响

2018-12-13 lishiting MedSci原创

这篇研究的目的是为了评估用甲基丙烯酸2,2,2-三氟乙酯(TFEMA)代替三乙二醇二甲基丙烯酸酯(TEGDMA)对双酚-A-甘油酯二甲基丙烯酸酯(Bis-GMA)/ TEGDMA /氨基甲酸酯二甲基丙烯酸酯(UDMA)类牙科复合材料的水吸收性、水溶性、转变程度、聚合收缩作用、氟化物释放和弯曲强度的影响。

这篇研究的目的是为了评估用甲基丙烯酸2,2,2-三氟乙酯(TFEMA)代替三乙二醇二甲基丙烯酸酯(TEGDMA)对双酚-A-甘油酯二甲基丙烯酸酯(Bis-GMA)/ TEGDMA /氨基甲酸酯二甲基丙烯酸酯(UDMA)类牙科复合材料的水吸收性、水溶性、转变程度、聚合收缩作用、氟化物释放和弯曲强度的影响。弯曲强度、水吸收性和水溶性按照ISO 4049标准进行测试。通过FTIR技术检测材料的转变程度。采用光度测定法检测材料在37°C去离子水内氟化物的释放率。通过One-way ANOVA和Tukey's HSD检验对数据的显著性差异进行统计学评估(p<0.05)。结果显示,TFEMA明显减弱材料的水溶性和体积收缩,但却既没有减弱水吸收性和增强弯曲强度,也没有提高转换程度。结论:在Bis-GMA/TEGDMA/UDMA牙科复合材料中使用TFEMA部分代替TEGDMA对材料的水溶性和体积收缩性能具有积极意义。原始出处:Tay JS, Choong BBL, et al. Effect of trifluoroethyl methacrylate comonomer on physical

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    2019-08-30 neurowu
  2. [GetPortalCommentsPageByObjectIdResponse(id=1690710, encodeId=80881690e10cb, content=<a href='/topic/show?id=8ac33486ac' target=_blank style='color:#2F92EE;'>#BIS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3486, encryptionId=8ac33486ac, topicName=BIS)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b53a29082458, createdName=neurowu, createdTime=Fri Aug 30 21:12:00 CST 2019, time=2019-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2054527, encodeId=40e2205452ef2, content=<a href='/topic/show?id=517c42615ef' target=_blank style='color:#2F92EE;'>#复合材料#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42615, encryptionId=517c42615ef, topicName=复合材料)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83eq2AGzrugK9ZUjU3eJxzM901ophWib0xJDrSicy49ibWl3zB5pbDto7eoR6tnzwOiaKdbq1a8PcbYFFrw/132, createdBy=6ff22500098, createdName=ms4964546379600229, createdTime=Thu Sep 19 00:12:00 CST 2019, time=2019-09-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1461347, encodeId=598e146134e94, content=<a href='/topic/show?id=67356e62003' target=_blank style='color:#2F92EE;'>#牙科#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67620, encryptionId=67356e62003, topicName=牙科)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2d786418402, createdName=xzw115, createdTime=Sat Dec 15 11:12:00 CST 2018, time=2018-12-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355324, encodeId=34903553243e, content=好文,值得点赞!认真学习了,把经验应用于实践,为患者解除病痛。, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NfNLvzZhgPxRuUXgacXpPeW0x8Z3Qr9c3I2kTic4ZIpR29iaftYgkjRcbv982icYMtqANBPYBgPnOia6mVtX76qMXuc/0, createdBy=ebe61630855, createdName=1dd8a7c5m95(暂无匿称), createdTime=Thu Dec 13 20:21:35 CST 2018, time=2018-12-13, status=1, ipAttribution=)]
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    2018-12-15 xzw115
  4. [GetPortalCommentsPageByObjectIdResponse(id=1690710, encodeId=80881690e10cb, content=<a href='/topic/show?id=8ac33486ac' target=_blank style='color:#2F92EE;'>#BIS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3486, encryptionId=8ac33486ac, topicName=BIS)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b53a29082458, createdName=neurowu, createdTime=Fri Aug 30 21:12:00 CST 2019, time=2019-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2054527, encodeId=40e2205452ef2, content=<a href='/topic/show?id=517c42615ef' target=_blank style='color:#2F92EE;'>#复合材料#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42615, encryptionId=517c42615ef, topicName=复合材料)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83eq2AGzrugK9ZUjU3eJxzM901ophWib0xJDrSicy49ibWl3zB5pbDto7eoR6tnzwOiaKdbq1a8PcbYFFrw/132, createdBy=6ff22500098, createdName=ms4964546379600229, createdTime=Thu Sep 19 00:12:00 CST 2019, time=2019-09-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1461347, encodeId=598e146134e94, content=<a href='/topic/show?id=67356e62003' target=_blank style='color:#2F92EE;'>#牙科#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67620, encryptionId=67356e62003, topicName=牙科)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2d786418402, createdName=xzw115, createdTime=Sat Dec 15 11:12:00 CST 2018, time=2018-12-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=355324, encodeId=34903553243e, content=好文,值得点赞!认真学习了,把经验应用于实践,为患者解除病痛。, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NfNLvzZhgPxRuUXgacXpPeW0x8Z3Qr9c3I2kTic4ZIpR29iaftYgkjRcbv982icYMtqANBPYBgPnOia6mVtX76qMXuc/0, createdBy=ebe61630855, createdName=1dd8a7c5m95(暂无匿称), createdTime=Thu Dec 13 20:21:35 CST 2018, time=2018-12-13, status=1, ipAttribution=)]
    2018-12-13 1dd8a7c5m95(暂无匿称)

    好文,值得点赞!认真学习了,把经验应用于实践,为患者解除病痛。

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