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Article: The effect of mixing time on the handling and compressive strength of an encapsulated glass-ionomer cement

TitleThe effect of mixing time on the handling and compressive strength of an encapsulated glass-ionomer cement
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2005
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dental
Citation
Dental Materials, 2005, v. 21 n. 8, p. 704-708 How to Cite?
AbstractThe effects of varying mixing times on the properties of glass-ionomer cements have been poorly investigated, and many clinicians are uninformed about the potential changes in handling achieved by this. This study aims to explore the effects of mixing time variation. An experimental glass-ionomer system was dosed into a capsule, activated, and triturated for varying lengths of time, from 2 to 14 s. Measurements were made of working time, initial setting time, compressive strength and compressive modulus, and a subjective assessment of handling conducted. The working time and initial setting time decreased as mixing time increased, while compressive strength and compressive modulus increased to a maximum at 12 s mixing time. The material essentially pre-gelled after 14 s of mixing, which resulted in breaking of the gel matrix and poorer properties. Clinicians should feel confident, within limits, of varying mixing times of glass ionomer cements to improve properties or to slow the reaction. © 2005 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/90688
ISSN
2015 Impact Factor: 3.931
2015 SCImago Journal Rankings: 1.339
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorPrentice, LHen_HK
dc.contributor.authorTyas, MJen_HK
dc.contributor.authorBurrow, MFen_HK
dc.date.accessioned2010-09-17T10:06:49Z-
dc.date.available2010-09-17T10:06:49Z-
dc.date.issued2005en_HK
dc.identifier.citationDental Materials, 2005, v. 21 n. 8, p. 704-708en_HK
dc.identifier.issn0109-5641en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90688-
dc.description.abstractThe effects of varying mixing times on the properties of glass-ionomer cements have been poorly investigated, and many clinicians are uninformed about the potential changes in handling achieved by this. This study aims to explore the effects of mixing time variation. An experimental glass-ionomer system was dosed into a capsule, activated, and triturated for varying lengths of time, from 2 to 14 s. Measurements were made of working time, initial setting time, compressive strength and compressive modulus, and a subjective assessment of handling conducted. The working time and initial setting time decreased as mixing time increased, while compressive strength and compressive modulus increased to a maximum at 12 s mixing time. The material essentially pre-gelled after 14 s of mixing, which resulted in breaking of the gel matrix and poorer properties. Clinicians should feel confident, within limits, of varying mixing times of glass ionomer cements to improve properties or to slow the reaction. © 2005 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dentalen_HK
dc.relation.ispartofDental Materialsen_HK
dc.subjectChemicals And Cas Registry Numbersen_HK
dc.subject.meshCompressive Strengthen_HK
dc.subject.meshElasticityen_HK
dc.subject.meshGlass Ionomer Cements - chemistryen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMaterials Testingen_HK
dc.subject.meshPolycarboxylate Cement - chemistryen_HK
dc.subject.meshPowdersen_HK
dc.subject.meshSolutionsen_HK
dc.subject.meshSurface Propertiesen_HK
dc.subject.meshTartrates - chemistryen_HK
dc.subject.meshTime Factorsen_HK
dc.subject.meshViscosityen_HK
dc.subject.meshWater - chemistryen_HK
dc.titleThe effect of mixing time on the handling and compressive strength of an encapsulated glass-ionomer cementen_HK
dc.typeArticleen_HK
dc.identifier.emailBurrow, MF:mfburr58@hku.hken_HK
dc.identifier.authorityBurrow, MF=rp01306en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.dental.2004.09.006en_HK
dc.identifier.pmid16026665en_HK
dc.identifier.scopuseid_2-s2.0-22344436075en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-22344436075&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume21en_HK
dc.identifier.issue8en_HK
dc.identifier.spage704en_HK
dc.identifier.epage708en_HK
dc.identifier.isiWOS:000230970500003-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridPrentice, LH=8656056400en_HK
dc.identifier.scopusauthoridTyas, MJ=7006088443en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK

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