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Article: Micro-computed Tomographic Comparison of Nickel-Titanium Rotary versus Traditional Instruments in C-Shaped Root Canal System

TitleMicro-computed Tomographic Comparison of Nickel-Titanium Rotary versus Traditional Instruments in C-Shaped Root Canal System
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2010
PublisherElsevier Inc. The Journal's web site is located at http://www.jendodon.com
Citation
Journal Of Endodontics, 2010, v. 36 n. 4, p. 708-712 How to Cite?
AbstractIntroduction: The purpose of this study was to assess the efficacy of instrumentation of C-shaped canals with ProTaper rotary system and traditional instruments by using micro-computed tomography (micro-CT). Methods: Twenty-four mandibular molars with C-shaped canals were selected in pairs and sorted equally into 2 groups, which were assigned for instrumentation by ProTaper rotary system (ProTaper group) or by K-files and Gates-Glidden burs (Hand Instrument group). Three-dimensional images were constructed by micro-CT. The volume of dentin removed, uninstrumented canal area, time taken for instrumentation, and iatrogenic error of instrumentation were investigated. Results: Hand Instrument group showed greater amount of volumetric dentin removal and left less uninstrumented canal area than ProTaper group (P < .01). The time needed for instrumentation was shorter for ProTaper group than for Hand Instrument group (P < .05). No instrument breakage occurred in both groups, but more conspicuous procedural errors were detected in Hand Instrument group than for ProTaper group. Conclusions: It was concluded that ProTaper rotary system maintained the canal curvature with speediness and few procedural errors, whereas traditional instrumentation can clean more canal surface. © 2010 American Association of Endodontists.
Persistent Identifierhttp://hdl.handle.net/10722/90586
ISSN
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 1.356
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYin, Xen_HK
dc.contributor.authorCheung, GSPen_HK
dc.contributor.authorZhang, Cen_HK
dc.contributor.authorMasuda, YMen_HK
dc.contributor.authorKimura, Yen_HK
dc.contributor.authorMatsumoto, Ken_HK
dc.date.accessioned2010-09-17T10:05:17Z-
dc.date.available2010-09-17T10:05:17Z-
dc.date.issued2010en_HK
dc.identifier.citationJournal Of Endodontics, 2010, v. 36 n. 4, p. 708-712en_HK
dc.identifier.issn0099-2399en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90586-
dc.description.abstractIntroduction: The purpose of this study was to assess the efficacy of instrumentation of C-shaped canals with ProTaper rotary system and traditional instruments by using micro-computed tomography (micro-CT). Methods: Twenty-four mandibular molars with C-shaped canals were selected in pairs and sorted equally into 2 groups, which were assigned for instrumentation by ProTaper rotary system (ProTaper group) or by K-files and Gates-Glidden burs (Hand Instrument group). Three-dimensional images were constructed by micro-CT. The volume of dentin removed, uninstrumented canal area, time taken for instrumentation, and iatrogenic error of instrumentation were investigated. Results: Hand Instrument group showed greater amount of volumetric dentin removal and left less uninstrumented canal area than ProTaper group (P < .01). The time needed for instrumentation was shorter for ProTaper group than for Hand Instrument group (P < .05). No instrument breakage occurred in both groups, but more conspicuous procedural errors were detected in Hand Instrument group than for ProTaper group. Conclusions: It was concluded that ProTaper rotary system maintained the canal curvature with speediness and few procedural errors, whereas traditional instrumentation can clean more canal surface. © 2010 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.subjectChemicals And Cas Registry Numbersen_HK
dc.subject.meshChi-Square Distributionen_HK
dc.subject.meshDental Alloysen_HK
dc.subject.meshDental Instruments - adverse effectsen_HK
dc.subject.meshDental Pulp Cavity - anatomy & histology - radiographyen_HK
dc.subject.meshDentinen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMandibleen_HK
dc.subject.meshMolar - anatomy & histology - radiographyen_HK
dc.subject.meshNickelen_HK
dc.subject.meshRoot Canal Preparation - instrumentation - methodsen_HK
dc.subject.meshTime Factorsen_HK
dc.subject.meshTitaniumen_HK
dc.subject.meshTooth Root - injuriesen_HK
dc.subject.meshX-Ray Microtomographyen_HK
dc.titleMicro-computed Tomographic Comparison of Nickel-Titanium Rotary versus Traditional Instruments in C-Shaped Root Canal Systemen_HK
dc.typeArticleen_HK
dc.identifier.emailCheung, GSp:spcheung@hkucc.hku.hken_HK
dc.identifier.emailZhang, C:zhangcf@hku.hken_HK
dc.identifier.authorityCheung, GSp=rp00016en_HK
dc.identifier.authorityZhang, C=rp01408en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.joen.2010.01.003en_HK
dc.identifier.pmid20307748-
dc.identifier.scopuseid_2-s2.0-77949647647en_HK
dc.identifier.hkuros169759-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77949647647&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume36en_HK
dc.identifier.issue4en_HK
dc.identifier.spage708en_HK
dc.identifier.epage712en_HK
dc.identifier.eissn1878-3554-
dc.identifier.isiWOS:000276577800023-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYin, X=15830792400en_HK
dc.identifier.scopusauthoridCheung, GSp=7005809531en_HK
dc.identifier.scopusauthoridZhang, C=7405494609en_HK
dc.identifier.scopusauthoridMasuda, YM=7401445432en_HK
dc.identifier.scopusauthoridKimura, Y=35336991000en_HK
dc.identifier.scopusauthoridMatsumoto, K=7601608153en_HK
dc.identifier.issnl0099-2399-

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