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Article: C-shaped canal system in mandibular second molars: part II - radiographic features

TitleC-shaped canal system in mandibular second molars: part II - radiographic features
Authors
Issue Date2004
PublisherElsevier Inc. The Journal's web site is located at http://www.jendodon.com
Citation
Journal Of Endodontics, 2004, v. 30 n. 12, p. 904-908 How to Cite?
AbstractThe purpose of this study was to investigate the relation between the radiographic features of C-shaped mandibular second molars and the cross-sectional shapes of their root canal system. Fifty-eight extracted mandibular second molars with fused roots were collected from a native Chinese population. The teeth were scanned at 0.5-mm interval thickness by micro-computed tomography (μCT) and observed at 11 levels. The 54 teeth that possessed a C-shaped canal system were further examined. Their radiographic appearances were classified into three types according to discernible radiographic features. The results were subject to the Kruskal-Wallis statistical test. In these 54 molars, 16 teeth (29.63%) showed a type I radiographic image, 22 (40.74%) type II, and 16 (29.63%) type III. In the type I category, the C1 and C4 canal configurations were mostly found in the apical area. Categories C2 and C3 were the main configurations in the middle and apical areas in type II and III. The type III had more C2 canals in middle area than type II. These results suggested that it was possible to predict the presence and the configuration of C-shaped canal system by the radiographic appearance.
Persistent Identifierhttp://hdl.handle.net/10722/67088
ISSN
2015 Impact Factor: 2.904
2015 SCImago Journal Rankings: 1.681
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFan, Ben_HK
dc.contributor.authorCheung, GSPen_HK
dc.contributor.authorFan, Men_HK
dc.contributor.authorGutmann, JLen_HK
dc.contributor.authorFan, Wen_HK
dc.date.accessioned2010-09-06T05:51:52Z-
dc.date.available2010-09-06T05:51:52Z-
dc.date.issued2004en_HK
dc.identifier.citationJournal Of Endodontics, 2004, v. 30 n. 12, p. 904-908en_HK
dc.identifier.issn0099-2399en_HK
dc.identifier.urihttp://hdl.handle.net/10722/67088-
dc.description.abstractThe purpose of this study was to investigate the relation between the radiographic features of C-shaped mandibular second molars and the cross-sectional shapes of their root canal system. Fifty-eight extracted mandibular second molars with fused roots were collected from a native Chinese population. The teeth were scanned at 0.5-mm interval thickness by micro-computed tomography (μCT) and observed at 11 levels. The 54 teeth that possessed a C-shaped canal system were further examined. Their radiographic appearances were classified into three types according to discernible radiographic features. The results were subject to the Kruskal-Wallis statistical test. In these 54 molars, 16 teeth (29.63%) showed a type I radiographic image, 22 (40.74%) type II, and 16 (29.63%) type III. In the type I category, the C1 and C4 canal configurations were mostly found in the apical area. Categories C2 and C3 were the main configurations in the middle and apical areas in type II and III. The type III had more C2 canals in middle area than type II. These results suggested that it was possible to predict the presence and the configuration of C-shaped canal system by the radiographic appearance.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.meshAnatomy, Cross-Sectionalen_HK
dc.subject.meshAsian Continental Ancestry Groupen_HK
dc.subject.meshChinaen_HK
dc.subject.meshDental Pulp Cavity - anatomy & histology - radiographyen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMandibleen_HK
dc.subject.meshMolar - anatomy & histology - radiographyen_HK
dc.subject.meshOdontometryen_HK
dc.subject.meshStatistics, Nonparametricen_HK
dc.subject.meshTomography, X-Ray Computed - methodsen_HK
dc.subject.meshTooth Root - anatomy & histology - radiographyen_HK
dc.titleC-shaped canal system in mandibular second molars: part II - radiographic featuresen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0099-2399&volume=30 &issue=12&spage=904&epage=908&date=2004&atitle=C-shaped+canal+system+in+mandibular+second+molars:+Part+II+-+Radiographic+featuresen_HK
dc.identifier.emailCheung, GSP:spcheung@hkucc.hku.hken_HK
dc.identifier.authorityCheung, GSP=rp00016en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1097/01.don.0000136206.73115.93-
dc.identifier.pmid15564875-
dc.identifier.scopuseid_2-s2.0-10044245150en_HK
dc.identifier.hkuros96526en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-10044245150&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume30en_HK
dc.identifier.issue12en_HK
dc.identifier.spage904en_HK
dc.identifier.epage908en_HK
dc.identifier.isiWOS:000225327200018-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridFan, B=7102879328en_HK
dc.identifier.scopusauthoridCheung, GSP=7005809531en_HK
dc.identifier.scopusauthoridFan, M=7201970773en_HK
dc.identifier.scopusauthoridGutmann, JL=7103288888en_HK
dc.identifier.scopusauthoridFan, W=12788122800en_HK

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