J Dent Res:早期龋的体内模型:结构和纳米机械特质

2018-08-24 lishiting MedSci原创

大鼠模型在龋病研究中的应用为探索龋病形成的机制和研发预防疗法做出了重要贡献。利用已有的大鼠模型也对建立标准的龋坏方案以测试或/和研发新的口腔技术具有很大的潜力。现行的龋坏评分方法依赖于光学显微镜技术,这需要损伤达到较高的程度。另外,可以通过除涎和/或抗菌治疗以破坏口腔菌丛的平衡从而改善致龋菌的研究模型,以此创建一钟非自然环境。然而,还缺少结果龋损的详细结构和机械特质。这篇研究的目的是为了创建一种大

大鼠模型在龋病研究中的应用为探索龋病形成的机制和研发预防疗法做出了重要贡献。利用已有的大鼠模型也对建立标准的龋坏方案以测试或/和研发新的口腔技术具有很大的潜力。现行的龋坏评分方法依赖于光学显微镜技术,这需要损伤达到较高的程度。另外,可以通过除涎和/或抗菌治疗以破坏口腔菌丛的平衡从而改善致龋菌的研究模型,以此创建一钟非自然环境。然而,还缺少结果龋损的详细结构和机械特质。这篇研究的目的是为了创建一种大鼠模型来诱导轻度龋坏的形成并且对其结构和机械特质形成广泛的理解。处于这种目的,作者使用无特定病原的Sprague-Dawley大鼠建立一种可以促进轻度龋损进展的体内模型。在不使用抗菌或除涎手术的情况下,将致龋菌-变异链球菌植入口腔菌丛中。在龋坏形成过程中,通过聚合酶链式反应定量口腔菌丛中变异链球菌的相对丰度以此监测感染的进程。致龋过程中变异链球菌定植效率明显增加(P < 0.01)。通过常规光镜和扫描电镜观察和分析结果龋损。获取不同严重程度窝沟龋的详细结构和形态特征。通过能量色散X射线光谱定量完整和龋坏组织的形态和脱矿改变,通过纳米压痕获取局部机械特质。结论:这篇研究所列举的原理可以在龋

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1951659, encodeId=29511951659f5, content=<a href='/topic/show?id=aa95612641a' target=_blank style='color:#2F92EE;'>#机械特质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=61264, encryptionId=aa95612641a, topicName=机械特质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=512a199, createdName=lilianxiang, createdTime=Sat Feb 09 17:06:00 CST 2019, time=2019-02-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047600, encodeId=fe6f104e6000d, content=梅斯里提供了很多疾病的模型计算公式,赞一个!, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Sat Aug 25 01:06:00 CST 2018, time=2018-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340633, encodeId=d17534063362, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Sat Aug 25 00:30:17 CST 2018, time=2018-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340620, encodeId=c1da3406209d, content=^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Fri Aug 24 23:26:09 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340617, encodeId=ec3034061e82, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Fri Aug 24 23:21:22 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340613, encodeId=00523406138e, content=非常不错的临床经验,学习了,涨知识!获益匪浅,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2018/02/27/c53a212859edcad4f60a54feffff50bb.jpg, createdBy=67cf1525321, createdName=13718711b3m, createdTime=Fri Aug 24 23:03:31 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340604, encodeId=0eea340604a6, content=了解一下,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Aug 24 22:37:41 CST 2018, time=2018-08-24, status=1, ipAttribution=)]
    2018-08-25 CHANGE

    梅斯里提供了很多疾病的模型计算公式,赞一个!

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1951659, encodeId=29511951659f5, content=<a href='/topic/show?id=aa95612641a' target=_blank style='color:#2F92EE;'>#机械特质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=61264, encryptionId=aa95612641a, topicName=机械特质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=512a199, createdName=lilianxiang, createdTime=Sat Feb 09 17:06:00 CST 2019, time=2019-02-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047600, encodeId=fe6f104e6000d, content=梅斯里提供了很多疾病的模型计算公式,赞一个!, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Sat Aug 25 01:06:00 CST 2018, time=2018-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340633, encodeId=d17534063362, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Sat Aug 25 00:30:17 CST 2018, time=2018-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340620, encodeId=c1da3406209d, content=^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Fri Aug 24 23:26:09 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340617, encodeId=ec3034061e82, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Fri Aug 24 23:21:22 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340613, encodeId=00523406138e, content=非常不错的临床经验,学习了,涨知识!获益匪浅,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2018/02/27/c53a212859edcad4f60a54feffff50bb.jpg, createdBy=67cf1525321, createdName=13718711b3m, createdTime=Fri Aug 24 23:03:31 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340604, encodeId=0eea340604a6, content=了解一下,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Aug 24 22:37:41 CST 2018, time=2018-08-24, status=1, ipAttribution=)]
    2018-08-25 1209e435m98(暂无昵称)

    学习了,谢谢分享

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1951659, encodeId=29511951659f5, content=<a href='/topic/show?id=aa95612641a' target=_blank style='color:#2F92EE;'>#机械特质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=61264, encryptionId=aa95612641a, topicName=机械特质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=512a199, createdName=lilianxiang, createdTime=Sat Feb 09 17:06:00 CST 2019, time=2019-02-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047600, encodeId=fe6f104e6000d, content=梅斯里提供了很多疾病的模型计算公式,赞一个!, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Sat Aug 25 01:06:00 CST 2018, time=2018-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340633, encodeId=d17534063362, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Sat Aug 25 00:30:17 CST 2018, time=2018-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340620, encodeId=c1da3406209d, content=^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Fri Aug 24 23:26:09 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340617, encodeId=ec3034061e82, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Fri Aug 24 23:21:22 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340613, encodeId=00523406138e, content=非常不错的临床经验,学习了,涨知识!获益匪浅,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2018/02/27/c53a212859edcad4f60a54feffff50bb.jpg, createdBy=67cf1525321, createdName=13718711b3m, createdTime=Fri Aug 24 23:03:31 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=340604, encodeId=0eea340604a6, content=了解一下,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Aug 24 22:37:41 CST 2018, time=2018-08-24, status=1, ipAttribution=)]
    2018-08-24 wqkm

    ^_^^_^^_^

    0

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    2018-08-24 1e1b8538m79(暂无匿称)

    不错的文章值得拥有

    0

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    2018-08-24 13718711b3m

    非常不错的临床经验,学习了,涨知识!获益匪浅,谢谢分享

    0

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    2018-08-24 天地飞扬

    了解一下,谢谢分享!

    0

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