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使用往复旋转系统预备根管时的玷污层去除

Smear layer removal in canals shaped with reciprocating rotary systems.

作者信息

Amaral Paula, Forner Leopoldo, Llena Carmen

机构信息

Clínica Odontològica. Universitat de València, Valencia.

出版信息

J Clin Exp Dent. 2013 Dec 1;5(5):e227-30. doi: 10.4317/jced.51170.

DOI:10.4317/jced.51170
PMID:24455087
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3892267/
Abstract

The aim was to assess the presence of smear layer after canal instrumentation with two reciprocating rotary systems and a continuous motion one. Thirty canals were shaped with Reciproc, WaveOne or Mtwo systems. Smear layer was assessed following a three value scale at coronal, middle and apical levels with a scanning electron microscopy. Reciproc scores: coronal third, 20% of the cases: 0, 60%: 1, 20%: 2; middle third, 10%: 0, 20%: 1, 70%:2; apical third: 2 in all cases. WaveOne scores: coronal third, 0 (40%), 1 (30%) and 2 (30%); middle third, 0 (20%), 1 (50%), 2 (30%); apical third, 0 (20%), 2 (80%) of cases. MTwo scores: coronal third 0 (50%), 1 (30%) 2 (20%); middle third 0 (20%), 1 (50%), 2 (30%); apical third, 0 (10%), 1 (10%), 2 (80%). No significant differences (p>0.05) were found between the three used systems. Key words:Endodontics, reciprocating motion files, rotary file, SEM, smear layer.

摘要

目的是评估使用两种往复旋转系统和一种连续旋转系统进行根管预备后玷污层的存在情况。使用Reciproc、WaveOne或Mtwo系统对30个根管进行预备。采用扫描电子显微镜在冠部、中部和根尖部水平按照三分制评估玷污层。Reciproc评分:冠部三分之一,20%的病例评分为0,60%评分为1,20%评分为2;中部三分之一,10%评分为0,20%评分为1,70%评分为2;根尖三分之一,所有病例均评分为2。WaveOne评分:冠部三分之一,0(40%),1(30%)和2(30%);中部三分之一,0(20%),1(50%),2(30%);根尖三分之一,0(20%),2(80%)的病例。MTwo评分:冠部三分之一0(50%),1(30%),2(20%);中部三分之一0(20%),1(50%),2(30%);根尖三分之一,0(10%),1(10%),2(80%)。在三种使用的系统之间未发现显著差异(p>0.05)。关键词:牙髓病学,往复运动锉,旋转锉,扫描电子显微镜,玷污层

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7b7/3892267/94917d518d0d/jced-5-e227-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7b7/3892267/38886f861939/jced-5-e227-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7b7/3892267/c48252944ac3/jced-5-e227-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7b7/3892267/94917d518d0d/jced-5-e227-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7b7/3892267/38886f861939/jced-5-e227-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7b7/3892267/c48252944ac3/jced-5-e227-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c7b7/3892267/94917d518d0d/jced-5-e227-g003.jpg

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Shaping ability and cleaning effectiveness of two single-file systems in severely curved root canals of extracted teeth: Reciproc and WaveOne versus Mtwo and ProTaper.
Residual smear layer after root canal instrumentation by using Niti, M-Wire and CM-Wire instruments: A scanning electron microscopy analysis.
使用镍钛合金、M 型钢丝和 CM 型钢丝器械进行根管预备后根管壁的玷污层:扫描电子显微镜分析
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