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Article: Three-dimensional reconstruction of microleakage pattern using a sequential grinding technique

TitleThree-dimensional reconstruction of microleakage pattern using a sequential grinding technique
Authors
KeywordsComposites
Dental materials
Dentine bonding agents
Interfaces
Microleakage
Issue Date1994
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdent
Citation
Journal Of Dentistry, 1994, v. 22 n. 6, p. 370-375 How to Cite?
AbstractDye penetration tests are very commonly used to detect the absence of a fluid seal at the tooth-restoration interface. Airlocks in the marginal gap, leaching of water-soluble tracers during processing, and the failure of only a few sections to allow interpretation of the full pattern, limit these tests to low reproducibility and precision. The purpose of this present study was to generate high-resolution three-dimensional images of waterfast tracer patterns. Cylindrical class V (3 mm diameter, 2 mm deep) dentine-bonded resin composite restorations in buccal coronal dentine were thermally cycled (1000 ×, 8°C, 55°C, 30 s dwell at each temperature) and then silver stained using an initial vacuum (100 mmHg pressure). Each restoration was sequentially abraded from the free surface on wet 180 grit silicon carbide paper, producing up to 30 parallel surfaces at approximately 0.15 mm separation through the restoration down to the pulp. Images of the ground surfaces were captured, and assembled by a computer image analyser program to give a three-dimensional model of the tracer pattern. The maximum depths of tracer penetration below the reference surfaces were 3.00 mm, 2.09 mm, 3.16 mm and 2.29 mm for the four specimens. Projections of the models were viewed from several directions with sections in various locations to allow investigation of the full tracer pattern. This method allows the creation of high-resolution three-dimensional tracer patterns. © 1994.
Persistent Identifierhttp://hdl.handle.net/10722/66097
ISSN
2015 Impact Factor: 3.109
2015 SCImago Journal Rankings: 1.029
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGale, MSen_HK
dc.contributor.authorDarvell, BWen_HK
dc.contributor.authorCheung, GSPen_HK
dc.date.accessioned2010-09-06T05:43:33Z-
dc.date.available2010-09-06T05:43:33Z-
dc.date.issued1994en_HK
dc.identifier.citationJournal Of Dentistry, 1994, v. 22 n. 6, p. 370-375en_HK
dc.identifier.issn0300-5712en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66097-
dc.description.abstractDye penetration tests are very commonly used to detect the absence of a fluid seal at the tooth-restoration interface. Airlocks in the marginal gap, leaching of water-soluble tracers during processing, and the failure of only a few sections to allow interpretation of the full pattern, limit these tests to low reproducibility and precision. The purpose of this present study was to generate high-resolution three-dimensional images of waterfast tracer patterns. Cylindrical class V (3 mm diameter, 2 mm deep) dentine-bonded resin composite restorations in buccal coronal dentine were thermally cycled (1000 ×, 8°C, 55°C, 30 s dwell at each temperature) and then silver stained using an initial vacuum (100 mmHg pressure). Each restoration was sequentially abraded from the free surface on wet 180 grit silicon carbide paper, producing up to 30 parallel surfaces at approximately 0.15 mm separation through the restoration down to the pulp. Images of the ground surfaces were captured, and assembled by a computer image analyser program to give a three-dimensional model of the tracer pattern. The maximum depths of tracer penetration below the reference surfaces were 3.00 mm, 2.09 mm, 3.16 mm and 2.29 mm for the four specimens. Projections of the models were viewed from several directions with sections in various locations to allow investigation of the full tracer pattern. This method allows the creation of high-resolution three-dimensional tracer patterns. © 1994.en_HK
dc.languageengen_HK
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdenten_HK
dc.relation.ispartofJournal of Dentistryen_HK
dc.rightsJournal of Dentistry. Copyright © Elsevier Ltd.en_HK
dc.subjectCompositesen_HK
dc.subjectDental materialsen_HK
dc.subjectDentine bonding agentsen_HK
dc.subjectInterfacesen_HK
dc.subjectMicroleakageen_HK
dc.subject.meshComposite Resinsen_HK
dc.subject.meshComputer Simulationen_HK
dc.subject.meshDental Cavity Preparation - methodsen_HK
dc.subject.meshDental Leakage - pathologyen_HK
dc.subject.meshDental Marginal Adaptationen_HK
dc.subject.meshEvaluation Studies as Topicen_HK
dc.subject.meshHumansen_HK
dc.subject.meshImage Processing, Computer-Assisteden_HK
dc.subject.meshTooth - pathologyen_HK
dc.titleThree-dimensional reconstruction of microleakage pattern using a sequential grinding techniqueen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0300-5712&volume=22&spage=370&epage=375&date=1994&atitle=Three-dimensional+reconstruction+of+microleakage+pattern+using+a+sequential+grinding+techniqueen_HK
dc.identifier.emailDarvell, BW: b.w.darvell@hku.hken_HK
dc.identifier.emailCheung, GSP: spcheung@hkucc.hku.hken_HK
dc.identifier.authorityDarvell, BW=rp00007en_HK
dc.identifier.authorityCheung, GSP=rp00016en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/0300-5712(94)90091-4-
dc.identifier.pmid7844267-
dc.identifier.scopuseid_2-s2.0-0028710252en_HK
dc.identifier.hkuros2494en_HK
dc.identifier.volume22en_HK
dc.identifier.issue6en_HK
dc.identifier.spage370en_HK
dc.identifier.epage375en_HK
dc.identifier.isiWOS:A1994PU24300009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridGale, MS=7102734750en_HK
dc.identifier.scopusauthoridDarvell, BW=7005953926en_HK
dc.identifier.scopusauthoridCheung, GSP=7005809531en_HK

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