J Endod:倒充填时空隙的体积变化:比较单独使用硅酸钙粘固剂和联合使用硅酸钙类封闭剂的效果

2019-12-01 lishiting MedSci原创

这篇研究的目的是为了评估和比较单独使用硅酸钙粘固剂和联合使用硅酸钙类封闭剂实施倒充填时的空隙体积。

这篇研究的目的是为了评估和比较单独使用硅酸钙粘固剂和联合使用硅酸钙类封闭剂实施倒充填时的空隙体积。

研究对20颗拔除的人单根牙齿使用镍钛器械进行根管预备并通过牙胶进行根管充填封闭。在距离根尖3 mm处切断牙齿,并进行根端预备,采用Endocem Zr (Maruchi, Wonju, Korea)或Endoseal MTA (Maruchi) + Endocem Zr充填根尖窝洞。随后,通过micro-CT扫描已预备过的样本,并进行3维重建。计算充填材料中空隙的体积百分比以及根管壁与根尖充填物之间缝隙的体积百分比。采用Mann-Whitney U检验对所有数据进行统计学分析。所选样本进一步通过SEM进行观察和分析。

结果显示,2组间的材料内空隙以及材料与根管壁之间缝隙的体积百分比均无显著性差异。硅酸钙和硅酸钙类封闭剂对于窝洞壁均展现出良好的适应性。

结论:micro-CT和SEM的观察分析结果显示,采用硅酸钙类封闭剂联合硅酸钙粘固剂实施根尖倒充填的效果与单独使用硅酸钙粘固剂相似。因此,为了方便临床操作,硅酸钙类封闭剂可以用来实施根尖倒充填,并且对于充填效果无任何影响。

原始出处:

Jung J, Kim S, et al. Volume of Voids in Retrograde Filling: Comparison between Calcium Silicate Cement Alone and Combined with a Calcium Silicate-based Sealer. J Endod. 2019 Nov 20. pii: S0099-2399(19)30785-X. doi: 10.1016/j.joen.2019.10.015.

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    2019-12-16 szhvet
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  3. [GetPortalCommentsPageByObjectIdResponse(id=1705302, encodeId=3b191e05302ca, content=<a href='/topic/show?id=4394e351421' target=_blank style='color:#2F92EE;'>#硅酸钙#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73514, encryptionId=4394e351421, topicName=硅酸钙)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=933b30968945, createdName=szhvet, createdTime=Mon Dec 16 13:37:00 CST 2019, time=2019-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1443062, encodeId=08a8144306282, content=<a href='/topic/show?id=674546e8323' target=_blank style='color:#2F92EE;'>#封闭剂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46783, encryptionId=674546e8323, topicName=封闭剂)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b88a5021004, createdName=12498dd9m12暂无昵称, createdTime=Tue Dec 03 05:37:00 CST 2019, time=2019-12-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1046958, encodeId=f2a710469586d, content=疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Sun Dec 01 17:37:00 CST 2019, time=2019-12-01, status=1, ipAttribution=)]
    2019-12-01 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

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