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Article: Study of the Progressive Changes in Canal Shape After Using Different Instruments by Hand in Simulated S-Shaped Canals

TitleStudy of the Progressive Changes in Canal Shape After Using Different Instruments by Hand in Simulated S-Shaped Canals
Authors
Issue Date2007
PublisherElsevier Inc. The Journal's web site is located at http://www.jendodon.com
Citation
Journal Of Endodontics, 2007, v. 33 n. 8, p. 986-989 How to Cite?
AbstractThis study analyzed the progressive changes in canal shape after the use of different instruments by hand in simulated S-shaped canals. Forty simulated canals with double curvatures, 30° coronally and 20° apically, were randomly divided into four groups and prepared with stainless steel K-files, the ProTaper for hand use (PHU) system, NiTi K-files, and the combination of PHU and NiTi K-files, respectively, by hand. All canals were scanned pre-and postoperatively. Each postinstrumentation image was superimposed with the preoperative one in a computer. The amount of material removed after every instrument was measured at 14 points. Statistical analysis was performed using an analysis of variance (ANOVA) test at α = 0.05. All four instruments straightened the S-shaped canals, except the combination of PHU (S1, Sx, and S2) and NiTi K-files, which created a continuous funnel shape. There was a significant difference in the amount of material removed between S2 and F1 of the PHU system (p < 0.05), and the finishing files of PHU created the same transportation as the stainless steel instruments with the same tip size (p > 0.05). © 2007 American Association of Endodontists.
Persistent Identifierhttp://hdl.handle.net/10722/66870
ISSN
2015 Impact Factor: 2.904
2015 SCImago Journal Rankings: 1.681
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHuang, DMen_HK
dc.contributor.authorLuo, HXen_HK
dc.contributor.authorCheung, GSPen_HK
dc.contributor.authorZhang, Len_HK
dc.contributor.authorTan, Hen_HK
dc.contributor.authorZhou, XDen_HK
dc.date.accessioned2010-09-06T05:50:02Z-
dc.date.available2010-09-06T05:50:02Z-
dc.date.issued2007en_HK
dc.identifier.citationJournal Of Endodontics, 2007, v. 33 n. 8, p. 986-989en_HK
dc.identifier.issn0099-2399en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66870-
dc.description.abstractThis study analyzed the progressive changes in canal shape after the use of different instruments by hand in simulated S-shaped canals. Forty simulated canals with double curvatures, 30° coronally and 20° apically, were randomly divided into four groups and prepared with stainless steel K-files, the ProTaper for hand use (PHU) system, NiTi K-files, and the combination of PHU and NiTi K-files, respectively, by hand. All canals were scanned pre-and postoperatively. Each postinstrumentation image was superimposed with the preoperative one in a computer. The amount of material removed after every instrument was measured at 14 points. Statistical analysis was performed using an analysis of variance (ANOVA) test at α = 0.05. All four instruments straightened the S-shaped canals, except the combination of PHU (S1, Sx, and S2) and NiTi K-files, which created a continuous funnel shape. There was a significant difference in the amount of material removed between S2 and F1 of the PHU system (p < 0.05), and the finishing files of PHU created the same transportation as the stainless steel instruments with the same tip size (p > 0.05). © 2007 American Association of Endodontists.en_HK
dc.languageengen_HK
dc.publisherElsevier Inc. The Journal's web site is located at http://www.jendodon.comen_HK
dc.relation.ispartofJournal of Endodonticsen_HK
dc.rightsThe Journal of Endodontics. Copyright © Lippincott Williams & Wilkins.en_HK
dc.subject.meshDental Alloysen_HK
dc.subject.meshDental Instrumentsen_HK
dc.subject.meshDental Pulp Cavity - anatomy & histologyen_HK
dc.subject.meshNickelen_HK
dc.subject.meshRoot Canal Preparation - instrumentation - methodsen_HK
dc.subject.meshStainless Steelen_HK
dc.subject.meshTitaniumen_HK
dc.titleStudy of the Progressive Changes in Canal Shape After Using Different Instruments by Hand in Simulated S-Shaped Canalsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0099-2399&volume=33&spage=986&epage=989&date=2007&atitle=Study+of+the+progressive+changes+in+canal+shape+after+using+different+instruments+by+hand+in+simulated+S-shaped+canalsen_HK
dc.identifier.emailCheung, GSP:spcheung@hkucc.hku.hken_HK
dc.identifier.authorityCheung, GSP=rp00016en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.joen.2006.12.008en_HK
dc.identifier.pmid17878089-
dc.identifier.scopuseid_2-s2.0-34447572977en_HK
dc.identifier.hkuros135907en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34447572977&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume33en_HK
dc.identifier.issue8en_HK
dc.identifier.spage986en_HK
dc.identifier.epage989en_HK
dc.identifier.isiWOS:000248490500018-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridDingming, H=17134582700en_HK
dc.identifier.scopusauthoridHongxia, L=35080406500en_HK
dc.identifier.scopusauthoridCheung, GSP=7005809531en_HK
dc.identifier.scopusauthoridLan, Z=35080681900en_HK
dc.identifier.scopusauthoridHong, T=35080392900en_HK
dc.identifier.scopusauthoridXuedong, Z=17136648600en_HK

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