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Article: A pilot study of the marginal adaptation and surface morphology of glass-cermet cements

TitleA pilot study of the marginal adaptation and surface morphology of glass-cermet cements
Authors
Issue Date1996
PublisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://www.quintpub.com
Citation
Quintessence International, 1996, v. 27 n. 7, p. 493-501 How to Cite?
AbstractThis study investigated changes in the marginal adaptation and surface morphology of Ketac-Silver and Chelon-Silver glass-cermet cements over time. Dispersalloy amalgam was used as a control. Contralateral pairs of carious primary molars were restored with the test materials and amalgam. Clinical evaluations were scheduled at 12, 18, and 24 months after placement. Gold-plated replicas of the restorations were observed with scanning electron microscopy. Fractures and cracks in the surface of the Dispersalloy and Chelon-Silver increased the surface roughness; however, the damage was superficial and self-limiting in the Dispersalloy restorations, while in Chelon-Silver the fractures caused the material to break down in layers. A substantial quantity of pores, usually smaller than 50 μm in diameter, were observed throughout the surface of the Chelon-Silver restorations. The pores in the surface of Ketac-Silver were fewer and smaller. The incidence of cavomarginal breakdown increased with time. Chelon-Silver restorations had a higher rate of cavomarginal breakdown than did Ketac-Silver and Dispersalloy restorations up to 18 months. However, there was no statistically significant difference in the marginal adaptation of the three groups at 24 months.
Persistent Identifierhttp://hdl.handle.net/10722/66271
ISSN
2015 Impact Factor: 0.821
2015 SCImago Journal Rankings: 0.396
References

 

DC FieldValueLanguage
dc.contributor.authorChu, CHen_HK
dc.contributor.authorKing, NMen_HK
dc.contributor.authorLee, AMPen_HK
dc.contributor.authorYiu, CKYen_HK
dc.contributor.authorWei, SHYen_HK
dc.date.accessioned2010-09-06T05:44:59Z-
dc.date.available2010-09-06T05:44:59Z-
dc.date.issued1996en_HK
dc.identifier.citationQuintessence International, 1996, v. 27 n. 7, p. 493-501en_HK
dc.identifier.issn0033-6572en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66271-
dc.description.abstractThis study investigated changes in the marginal adaptation and surface morphology of Ketac-Silver and Chelon-Silver glass-cermet cements over time. Dispersalloy amalgam was used as a control. Contralateral pairs of carious primary molars were restored with the test materials and amalgam. Clinical evaluations were scheduled at 12, 18, and 24 months after placement. Gold-plated replicas of the restorations were observed with scanning electron microscopy. Fractures and cracks in the surface of the Dispersalloy and Chelon-Silver increased the surface roughness; however, the damage was superficial and self-limiting in the Dispersalloy restorations, while in Chelon-Silver the fractures caused the material to break down in layers. A substantial quantity of pores, usually smaller than 50 μm in diameter, were observed throughout the surface of the Chelon-Silver restorations. The pores in the surface of Ketac-Silver were fewer and smaller. The incidence of cavomarginal breakdown increased with time. Chelon-Silver restorations had a higher rate of cavomarginal breakdown than did Ketac-Silver and Dispersalloy restorations up to 18 months. However, there was no statistically significant difference in the marginal adaptation of the three groups at 24 months.en_HK
dc.languageengen_HK
dc.publisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://www.quintpub.comen_HK
dc.relation.ispartofQuintessence Internationalen_HK
dc.subject.meshCermet Cements - chemistryen_HK
dc.subject.meshChilden_HK
dc.subject.meshDental Alloys - chemistryen_HK
dc.subject.meshDental Marginal Adaptationen_HK
dc.subject.meshDental Restoration Failureen_HK
dc.subject.meshDental Restoration Wearen_HK
dc.subject.meshDental Restoration, Permanent - methodsen_HK
dc.subject.meshGlass Ionomer Cements - chemistryen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMicroscopy, Electron, Scanningen_HK
dc.subject.meshPilot Projectsen_HK
dc.subject.meshPorosityen_HK
dc.subject.meshSilver Compounds - chemistryen_HK
dc.subject.meshSurface Propertiesen_HK
dc.subject.meshTime Factorsen_HK
dc.subject.meshTooth, Deciduousen_HK
dc.titleA pilot study of the marginal adaptation and surface morphology of glass-cermet cementsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0033-6572&volume=27&issue=7&spage=493&epage=501&date=1996&atitle=A+pilot+study+of+the+marginal+adaptation+and+surface+morphology+of+glass-cermet+cementsen_HK
dc.identifier.emailChu, CH: chchu@hku.hken_HK
dc.identifier.emailKing, NM: hhdbknm@hkucc.hku.hken_HK
dc.identifier.emailYiu, CKY: ckyyiu@hkucc.hku.hken_HK
dc.identifier.authorityChu, CH=rp00022en_HK
dc.identifier.authorityKing, NM=rp00006en_HK
dc.identifier.authorityYiu, CKY=rp00018en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid8941827-
dc.identifier.scopuseid_2-s2.0-0030184651en_HK
dc.identifier.hkuros15295en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0030184651&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume27en_HK
dc.identifier.issue7en_HK
dc.identifier.spage493en_HK
dc.identifier.epage501en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChu, CH=7404345729en_HK
dc.identifier.scopusauthoridKing, NM=7201762850en_HK
dc.identifier.scopusauthoridLee, AMP=36985990500en_HK
dc.identifier.scopusauthoridYiu, CKY=7007115156en_HK
dc.identifier.scopusauthoridWei, SHY=7401765260en_HK

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