J Endod：热处理镍钛旋转器械对弯曲根管的预备和扩大

2020-08-31 lishiting MedSci原创

这篇研究的目的是通过micro-CT评估热处理和热/表面处理旋转镍钛系统对弯曲根管的预备和根尖扩大情况。

这篇研究的目的是通过micro-CT评估热处理和热/表面处理旋转镍钛系统对弯曲根管的预备和根尖扩大情况。

研究分别采用25/.01和25/.06的ProDesign Logic (PDL)或HyFlex EDM (HFEDM) 10/.05， HyFlex-CM 20/.04和HFEDM 25/.08预备下颌磨牙弯曲的近中根管(n = 48) (20°- 40°)。采用PDL 40/.05或HFEDM 40/.04进行根尖扩大。采用Micro-CT在预备前后和根尖扩大后进行扫描(9 μm)。分析容积、体积增加百分比、碎屑、未接触牙本质表面积和定心力。采用Mann-Whitney， Wilcoxon和unpaired t检验对数据进行统计学评估(α = .05)。

结果显示，在根管预备和根尖扩大后，使用HFEDM后根管容积增加的程度明显高于PDL (P < .05)。2组在根尖扩大后，均显著降低了根管内的碎屑量和未接触根管表面积(P < .05)。在根管预备和根尖扩大后，HFEDM和PDL产生的碎屑量和未接触表面积值相似(P > .05)。2种系统均能促进定心力(P > .05)。

结论：HyFlex EDM系统比PDL能够预备出更大的根管体积。然而，2种系统清理能力相似。2种系统根尖扩大至40号能够减少碎屑堆积以及未接触表面积，并且维持弯曲根管的中心定位。

原始出处：

Mariana Mena Barreto Pivoto-João， Mario Tanomaru-Filho， et al. Root canal preparation and enlargement using thermally-treated nickel-titanium rotary systems in curved canals. J Endod.， 2020 Aug 17；S0099-2399(20)30604-X. doi： 10.1016/j.joen.2020.08.007.

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2021-08-11 nymo

#旋转器械#

25 0
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2021-04-03 12498d2fm62(暂无昵称)

#镍钛#

34 0
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2021-03-25 30397613

#钛#

30 0
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2021-04-19 yahu

#热处理#

33 0
[GetPortalCommentsPageByObjectIdResponse(id=1746432, encodeId=c6f51e4643267, content=<a href='/topic/show?id=ff0658838ff' target=_blank style='color:#2F92EE;'>#旋转器械#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58838, encryptionId=ff0658838ff, topicName=旋转器械)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b1b635755035, createdName=nymo, createdTime=Wed Aug 11 06:29:13 CST 2021, time=2021-08-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1740797, encodeId=32201e4079704, content=<a href='/topic/show?id=c6e79682831' target=_blank style='color:#2F92EE;'>#镍钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96828, encryptionId=c6e79682831, topicName=镍钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3d7034811791, createdName=12498d2fm62(暂无昵称), createdTime=Sat Apr 03 15:29:13 CST 2021, time=2021-04-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1679847, encodeId=1ccd16e984758, content=<a href='/topic/show?id=d4ac9639efa' target=_blank style='color:#2F92EE;'>#钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96397, encryptionId=d4ac9639efa, topicName=钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=927227807332, createdName=30397613, createdTime=Thu Mar 25 12:29:13 CST 2021, time=2021-03-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2070793, encodeId=caa220e0793da, content=<a href='/topic/show?id=a8d26e187c0' target=_blank style='color:#2F92EE;'>#热处理#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67187, encryptionId=a8d26e187c0, topicName=热处理)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=52c7237, createdName=yahu, createdTime=Mon Apr 19 12:29:13 CST 2021, time=2021-04-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2040859, encodeId=01a82040859ac, content=<a href='/topic/show?id=427b50064b1' target=_blank style='color:#2F92EE;'>#弯曲根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50064, encryptionId=427b50064b1, topicName=弯曲根管)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d590125, createdName=linlin2312, createdTime=Sat Oct 17 19:29:13 CST 2020, time=2020-10-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=882853, encodeId=23b6882853cb, content=好好, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200818/616bff6b0c7b41aeb02c4427668e236c/b50354dc7cf3420bb988d2a12bfad16c.jpg, createdBy=8c091794453, createdName=ms9535724110468964, createdTime=Fri Sep 04 23:33:22 CST 2020, time=2020-09-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1523047, encodeId=047a152304e03, content=<a href='/topic/show?id=c72462241ff' target=_blank style='color:#2F92EE;'>#根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62241, encryptionId=c72462241ff, topicName=根管)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba5e11492705, createdName=zhaozhouchifen, createdTime=Wed Sep 02 13:29:13 CST 2020, time=2020-09-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=881591, encodeId=754e88159148, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=64245268311, createdName=14818eb4m67暂无昵称, createdTime=Tue Sep 01 07:43:45 CST 2020, time=2020-09-01, status=1, ipAttribution=)]
2020-10-17 linlin2312

#弯曲根管#

41 0
[GetPortalCommentsPageByObjectIdResponse(id=1746432, encodeId=c6f51e4643267, content=<a href='/topic/show?id=ff0658838ff' target=_blank style='color:#2F92EE;'>#旋转器械#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58838, encryptionId=ff0658838ff, topicName=旋转器械)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b1b635755035, createdName=nymo, createdTime=Wed Aug 11 06:29:13 CST 2021, time=2021-08-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1740797, encodeId=32201e4079704, content=<a href='/topic/show?id=c6e79682831' target=_blank style='color:#2F92EE;'>#镍钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96828, encryptionId=c6e79682831, topicName=镍钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3d7034811791, createdName=12498d2fm62(暂无昵称), createdTime=Sat Apr 03 15:29:13 CST 2021, time=2021-04-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1679847, encodeId=1ccd16e984758, content=<a href='/topic/show?id=d4ac9639efa' target=_blank style='color:#2F92EE;'>#钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96397, encryptionId=d4ac9639efa, topicName=钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=927227807332, createdName=30397613, createdTime=Thu Mar 25 12:29:13 CST 2021, time=2021-03-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2070793, encodeId=caa220e0793da, content=<a href='/topic/show?id=a8d26e187c0' target=_blank style='color:#2F92EE;'>#热处理#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67187, encryptionId=a8d26e187c0, topicName=热处理)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=52c7237, createdName=yahu, createdTime=Mon Apr 19 12:29:13 CST 2021, time=2021-04-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2040859, encodeId=01a82040859ac, content=<a href='/topic/show?id=427b50064b1' target=_blank style='color:#2F92EE;'>#弯曲根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50064, encryptionId=427b50064b1, topicName=弯曲根管)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d590125, createdName=linlin2312, createdTime=Sat Oct 17 19:29:13 CST 2020, time=2020-10-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=882853, encodeId=23b6882853cb, content=好好, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200818/616bff6b0c7b41aeb02c4427668e236c/b50354dc7cf3420bb988d2a12bfad16c.jpg, createdBy=8c091794453, createdName=ms9535724110468964, createdTime=Fri Sep 04 23:33:22 CST 2020, time=2020-09-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1523047, encodeId=047a152304e03, content=<a href='/topic/show?id=c72462241ff' target=_blank style='color:#2F92EE;'>#根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62241, encryptionId=c72462241ff, topicName=根管)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba5e11492705, createdName=zhaozhouchifen, createdTime=Wed Sep 02 13:29:13 CST 2020, time=2020-09-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=881591, encodeId=754e88159148, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=64245268311, createdName=14818eb4m67暂无昵称, createdTime=Tue Sep 01 07:43:45 CST 2020, time=2020-09-01, status=1, ipAttribution=)]
2020-09-04 ms9535724110468964

好好

89 0
[GetPortalCommentsPageByObjectIdResponse(id=1746432, encodeId=c6f51e4643267, content=<a href='/topic/show?id=ff0658838ff' target=_blank style='color:#2F92EE;'>#旋转器械#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58838, encryptionId=ff0658838ff, topicName=旋转器械)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b1b635755035, createdName=nymo, createdTime=Wed Aug 11 06:29:13 CST 2021, time=2021-08-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1740797, encodeId=32201e4079704, content=<a href='/topic/show?id=c6e79682831' target=_blank style='color:#2F92EE;'>#镍钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96828, encryptionId=c6e79682831, topicName=镍钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3d7034811791, createdName=12498d2fm62(暂无昵称), createdTime=Sat Apr 03 15:29:13 CST 2021, time=2021-04-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1679847, encodeId=1ccd16e984758, content=<a href='/topic/show?id=d4ac9639efa' target=_blank style='color:#2F92EE;'>#钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96397, encryptionId=d4ac9639efa, topicName=钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=927227807332, createdName=30397613, createdTime=Thu Mar 25 12:29:13 CST 2021, time=2021-03-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2070793, encodeId=caa220e0793da, content=<a href='/topic/show?id=a8d26e187c0' target=_blank style='color:#2F92EE;'>#热处理#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67187, encryptionId=a8d26e187c0, topicName=热处理)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=52c7237, createdName=yahu, createdTime=Mon Apr 19 12:29:13 CST 2021, time=2021-04-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2040859, encodeId=01a82040859ac, content=<a href='/topic/show?id=427b50064b1' target=_blank style='color:#2F92EE;'>#弯曲根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50064, encryptionId=427b50064b1, topicName=弯曲根管)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d590125, createdName=linlin2312, createdTime=Sat Oct 17 19:29:13 CST 2020, time=2020-10-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=882853, encodeId=23b6882853cb, content=好好, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200818/616bff6b0c7b41aeb02c4427668e236c/b50354dc7cf3420bb988d2a12bfad16c.jpg, createdBy=8c091794453, createdName=ms9535724110468964, createdTime=Fri Sep 04 23:33:22 CST 2020, time=2020-09-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1523047, encodeId=047a152304e03, content=<a href='/topic/show?id=c72462241ff' target=_blank style='color:#2F92EE;'>#根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62241, encryptionId=c72462241ff, topicName=根管)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba5e11492705, createdName=zhaozhouchifen, createdTime=Wed Sep 02 13:29:13 CST 2020, time=2020-09-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=881591, encodeId=754e88159148, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=64245268311, createdName=14818eb4m67暂无昵称, createdTime=Tue Sep 01 07:43:45 CST 2020, time=2020-09-01, status=1, ipAttribution=)]
2020-09-02 zhaozhouchifen

#根管#

37 0
[GetPortalCommentsPageByObjectIdResponse(id=1746432, encodeId=c6f51e4643267, content=<a href='/topic/show?id=ff0658838ff' target=_blank style='color:#2F92EE;'>#旋转器械#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58838, encryptionId=ff0658838ff, topicName=旋转器械)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b1b635755035, createdName=nymo, createdTime=Wed Aug 11 06:29:13 CST 2021, time=2021-08-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1740797, encodeId=32201e4079704, content=<a href='/topic/show?id=c6e79682831' target=_blank style='color:#2F92EE;'>#镍钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96828, encryptionId=c6e79682831, topicName=镍钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3d7034811791, createdName=12498d2fm62(暂无昵称), createdTime=Sat Apr 03 15:29:13 CST 2021, time=2021-04-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1679847, encodeId=1ccd16e984758, content=<a href='/topic/show?id=d4ac9639efa' target=_blank style='color:#2F92EE;'>#钛#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=96397, encryptionId=d4ac9639efa, topicName=钛)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=927227807332, createdName=30397613, createdTime=Thu Mar 25 12:29:13 CST 2021, time=2021-03-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2070793, encodeId=caa220e0793da, content=<a href='/topic/show?id=a8d26e187c0' target=_blank style='color:#2F92EE;'>#热处理#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67187, encryptionId=a8d26e187c0, topicName=热处理)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=52c7237, createdName=yahu, createdTime=Mon Apr 19 12:29:13 CST 2021, time=2021-04-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2040859, encodeId=01a82040859ac, content=<a href='/topic/show?id=427b50064b1' target=_blank style='color:#2F92EE;'>#弯曲根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50064, encryptionId=427b50064b1, topicName=弯曲根管)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d590125, createdName=linlin2312, createdTime=Sat Oct 17 19:29:13 CST 2020, time=2020-10-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=882853, encodeId=23b6882853cb, content=好好, beContent=null, objectType=article, channel=null, level=null, likeNumber=89, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200818/616bff6b0c7b41aeb02c4427668e236c/b50354dc7cf3420bb988d2a12bfad16c.jpg, createdBy=8c091794453, createdName=ms9535724110468964, createdTime=Fri Sep 04 23:33:22 CST 2020, time=2020-09-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1523047, encodeId=047a152304e03, content=<a href='/topic/show?id=c72462241ff' target=_blank style='color:#2F92EE;'>#根管#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62241, encryptionId=c72462241ff, topicName=根管)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ba5e11492705, createdName=zhaozhouchifen, createdTime=Wed Sep 02 13:29:13 CST 2020, time=2020-09-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=881591, encodeId=754e88159148, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=64245268311, createdName=14818eb4m67暂无昵称, createdTime=Tue Sep 01 07:43:45 CST 2020, time=2020-09-01, status=1, ipAttribution=)]
2020-09-01 14818eb4m67暂无昵称

学习

80 0

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