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Article: Identification of C-shaped Canal in Mandibular Second Molars. Part I: Radiographic and Anatomical Features Revealed by Intraradicular Contrast Medium

TitleIdentification of C-shaped Canal in Mandibular Second Molars. Part I: Radiographic and Anatomical Features Revealed by Intraradicular Contrast Medium
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. 7, p. 806-810 How to Cite?
AbstractThe purpose of this study was to investigate radiographic features of the C-shaped canal system in mandibular second molars and their relationship to the canal anatomy by using intraradicular contrast medium and micro-computed tomography (μCT) scanning. Thirty mandibular second molars with fused roots were collected and stored in 10% formalin solution. After being scanned by μCT and reconstructed with 3-dimensional software, the pulp tissue of each tooth was removed mechanically and chemically. The contrast medium was introduced into the canal by using a specialized device, and the buccal-lingual radiograph was taken for each tooth. The radiographic images were classified into 3 types: Types I (merging type), II (symmetrical type), and III (asymmetrical type). The relationship between the radiographic and anatomic features was analyzed by collating the μCT scanned canal images with the radiographic types. The results were subject to Kruskal-Wallis test. Findings showed that 10 teeth were Type I, 10 teeth Type II, and 10 teeth Type III. Types I and III had more C1, C2 canal shape in their canal orifice, coronal, and middle canal portion than the Type II (P < .05). Types II and III had more C3a, C3b canal shapes in the apical canal portion than Type I (P < .05). On the basis of these results, the radiographic features revealed by the intraradicular contrast medium can help to identify the canal anatomy of C-shaped canal system in mandibular second molars. © 2007 American Association of Endodontists.
Persistent Identifierhttp://hdl.handle.net/10722/154461
ISSN
2015 Impact Factor: 2.904
2015 SCImago Journal Rankings: 1.681
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFan, Wen_US
dc.contributor.authorFan, Ben_US
dc.contributor.authorGutmann, JLen_US
dc.contributor.authorCheung, GSPen_US
dc.date.accessioned2012-08-08T08:25:27Z-
dc.date.available2012-08-08T08:25:27Z-
dc.date.issued2007en_US
dc.identifier.citationJournal Of Endodontics, 2007, v. 33 n. 7, p. 806-810en_US
dc.identifier.issn0099-2399en_US
dc.identifier.urihttp://hdl.handle.net/10722/154461-
dc.description.abstractThe purpose of this study was to investigate radiographic features of the C-shaped canal system in mandibular second molars and their relationship to the canal anatomy by using intraradicular contrast medium and micro-computed tomography (μCT) scanning. Thirty mandibular second molars with fused roots were collected and stored in 10% formalin solution. After being scanned by μCT and reconstructed with 3-dimensional software, the pulp tissue of each tooth was removed mechanically and chemically. The contrast medium was introduced into the canal by using a specialized device, and the buccal-lingual radiograph was taken for each tooth. The radiographic images were classified into 3 types: Types I (merging type), II (symmetrical type), and III (asymmetrical type). The relationship between the radiographic and anatomic features was analyzed by collating the μCT scanned canal images with the radiographic types. The results were subject to Kruskal-Wallis test. Findings showed that 10 teeth were Type I, 10 teeth Type II, and 10 teeth Type III. Types I and III had more C1, C2 canal shape in their canal orifice, coronal, and middle canal portion than the Type II (P < .05). Types II and III had more C3a, C3b canal shapes in the apical canal portion than Type I (P < .05). On the basis of these results, the radiographic features revealed by the intraradicular contrast medium can help to identify the canal anatomy of C-shaped canal system in mandibular second molars. © 2007 American Association of Endodontists.en_US
dc.languageengen_US
dc.publisherElsevier Inc. The Journal's web site is located at http://www.jendodon.comen_US
dc.relation.ispartofJournal of Endodonticsen_US
dc.subject.meshDental Pulp Cavity - Abnormalities - Radiographyen_US
dc.subject.meshHumansen_US
dc.subject.meshMicrocomputersen_US
dc.subject.meshMolar - Abnormalities - Radiographyen_US
dc.subject.meshTomography, X-Ray Computed - Methodsen_US
dc.subject.meshTooth Root - Abnormalities - Radiographyen_US
dc.titleIdentification of C-shaped Canal in Mandibular Second Molars. Part I: Radiographic and Anatomical Features Revealed by Intraradicular Contrast Mediumen_US
dc.typeArticleen_US
dc.identifier.emailCheung, GSP:spcheung@hkucc.hku.hken_US
dc.identifier.authorityCheung, GSP=rp00016en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.joen.2007.04.007en_US
dc.identifier.pmid17804316-
dc.identifier.scopuseid_2-s2.0-34250330778en_US
dc.identifier.hkuros142570-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34250330778&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume33en_US
dc.identifier.issue7en_US
dc.identifier.spage806en_US
dc.identifier.epage810en_US
dc.identifier.isiWOS:000247763100006-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridFan, W=12788122800en_US
dc.identifier.scopusauthoridFan, B=7102879328en_US
dc.identifier.scopusauthoridGutmann, JL=7103288888en_US
dc.identifier.scopusauthoridCheung, GSP=7005809531en_US

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