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Article: A comparison of stainless steel and nickel-titanium K-files in curved root canals

TitleA comparison of stainless steel and nickel-titanium K-files in curved root canals
Authors
Issue Date1996
PublisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/IEJ
Citation
International Endodontic Journal, 1996, v. 29 n. 6, p. 370-375 How to Cite?
AbstractThe purpose of this study was to determine the effects of hand instrumentation using traditional stainless steel K-files and nickel-titanium K-files on the final shape of curved root canals. A total of 24 moderately curved canals in the mesial roots in extracted human mandibular first molars were randomly divided into two groups. These were instrumented manually using either stainless steel or nickel-titanium K-files with the step-down technique. The cross-sectional shape of each canal at three different horizontal levels were captured, before and after instrumentation, into a computer for comparison using image analyser software. Three parameters at each level were evaluated: (i) amount of dentine removed; (ii) least remaining dentine thicknesses on mesial and furcal aspects; and (iii) the amount and direction of canal transportation. The results showed that the two file types removed similar amounts of dentine at all three levels examined. The nickel-titanium files left a thicker layer of dentine on both the mesial and furcal aspects than stainless steel files. However, the difference was not significant (pooled T-test, P>0.05). Both types of files transported the centre of the canals but the nickel-titanium instrument seemed to be safer because of the reduced amount of transportation towards the danger areas.
Persistent Identifierhttp://hdl.handle.net/10722/66781
ISSN
2015 Impact Factor: 2.842
2015 SCImago Journal Rankings: 2.020
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChan, AWKen_HK
dc.contributor.authorCheung, GSPen_HK
dc.date.accessioned2010-09-06T05:49:18Z-
dc.date.available2010-09-06T05:49:18Z-
dc.date.issued1996en_HK
dc.identifier.citationInternational Endodontic Journal, 1996, v. 29 n. 6, p. 370-375en_HK
dc.identifier.issn0143-2885en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66781-
dc.description.abstractThe purpose of this study was to determine the effects of hand instrumentation using traditional stainless steel K-files and nickel-titanium K-files on the final shape of curved root canals. A total of 24 moderately curved canals in the mesial roots in extracted human mandibular first molars were randomly divided into two groups. These were instrumented manually using either stainless steel or nickel-titanium K-files with the step-down technique. The cross-sectional shape of each canal at three different horizontal levels were captured, before and after instrumentation, into a computer for comparison using image analyser software. Three parameters at each level were evaluated: (i) amount of dentine removed; (ii) least remaining dentine thicknesses on mesial and furcal aspects; and (iii) the amount and direction of canal transportation. The results showed that the two file types removed similar amounts of dentine at all three levels examined. The nickel-titanium files left a thicker layer of dentine on both the mesial and furcal aspects than stainless steel files. However, the difference was not significant (pooled T-test, P>0.05). Both types of files transported the centre of the canals but the nickel-titanium instrument seemed to be safer because of the reduced amount of transportation towards the danger areas.en_HK
dc.languageengen_HK
dc.publisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/IEJen_HK
dc.relation.ispartofInternational Endodontic Journalen_HK
dc.rightsInternational Endodontic Journal. Copyright © Blackwell Publishing Ltd.en_HK
dc.subject.meshDental Instrumentsen_HK
dc.subject.meshDental Pulp Cavity - anatomy & histologyen_HK
dc.subject.meshDentin - surgeryen_HK
dc.subject.meshEquipment Designen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMandibleen_HK
dc.subject.meshMolaren_HK
dc.subject.meshNickelen_HK
dc.subject.meshRoot Canal Preparation - instrumentationen_HK
dc.subject.meshStainless Steelen_HK
dc.subject.meshStatistics, Nonparametricen_HK
dc.subject.meshTitaniumen_HK
dc.subject.meshTooth Root - anatomy & histologyen_HK
dc.titleA comparison of stainless steel and nickel-titanium K-files in curved root canalsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0143-2885&volume=29&issue=6&spage=370 &epage= 375&date=1996&atitle=A+comparison+of+stainless+steel+and+nickel-titanium+K-files+in+curved+root+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.doi10.1111/j.1365-2591.1996.tb01400.x-
dc.identifier.pmid10332236-
dc.identifier.scopuseid_2-s2.0-0030274426en_HK
dc.identifier.hkuros27157en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0030274426&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume29en_HK
dc.identifier.issue6en_HK
dc.identifier.spage370en_HK
dc.identifier.epage375en_HK
dc.identifier.isiWOS:A1996VV74200003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridChan, AWK=7403167849en_HK
dc.identifier.scopusauthoridCheung, GSP=7005809531en_HK

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