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Article: The effects of boric acid and phosphoric acid on the compressive strength of glass-ionomer cements

TitleThe effects of boric acid and phosphoric acid on the compressive strength of glass-ionomer cements
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2006
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dental
Citation
Dental Materials, 2006, v. 22 n. 1, p. 94-97 How to Cite?
AbstractObjectives. Both boric acid (H3BO3) and phosphoric acid (H3PO4) are components of dental cements, commonly incorporated into glass (as ingredients in the melt) and occasionally added to the powder or liquid components. This study investigated the effect of boric acid addition to an experimental glass-ionomer powder and the effect of phosphoric acid addition to a glass-ionomer liquid on the 24-h compressive strength. Boric acid powder was added in various concentrations to an experimental glass-ionomer powder and, separately, phosphoric acid was added to an experimental glass-ionomer liquid. Powders and liquids were dosed into capsules at various powder:liquid ratios and cements thus formed were assessed for 24-h compressive strength. Incorporation of boric acid in glass-ionomer powder resulted in a pronounced decrease (p<0.05 at 1% boric acid) in compressive strength. Addition of phosphoric acid produced initially stronger cements (up to 13% increase at 1% phosphoric acid) before also declining. The incorporation of less than 2% w/w phosphoric acid in glass-ionomer liquids may improve cement strengths without compromising clinical usefulness. The incorporation of boric acid in glass-ionomer cements is contraindicated. © 2005 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/90601
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.accessioned2010-09-17T10:05:31Z-
dc.date.available2010-09-17T10:05:31Z-
dc.date.issued2006en_HK
dc.identifier.citationDental Materials, 2006, v. 22 n. 1, p. 94-97en_HK
dc.identifier.issn0109-5641en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90601-
dc.description.abstractObjectives. Both boric acid (H3BO3) and phosphoric acid (H3PO4) are components of dental cements, commonly incorporated into glass (as ingredients in the melt) and occasionally added to the powder or liquid components. This study investigated the effect of boric acid addition to an experimental glass-ionomer powder and the effect of phosphoric acid addition to a glass-ionomer liquid on the 24-h compressive strength. Boric acid powder was added in various concentrations to an experimental glass-ionomer powder and, separately, phosphoric acid was added to an experimental glass-ionomer liquid. Powders and liquids were dosed into capsules at various powder:liquid ratios and cements thus formed were assessed for 24-h compressive strength. Incorporation of boric acid in glass-ionomer powder resulted in a pronounced decrease (p<0.05 at 1% boric acid) in compressive strength. Addition of phosphoric acid produced initially stronger cements (up to 13% increase at 1% phosphoric acid) before also declining. The incorporation of less than 2% w/w phosphoric acid in glass-ionomer liquids may improve cement strengths without compromising clinical usefulness. The incorporation of boric acid in glass-ionomer cements is contraindicated. © 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.meshBoric Acids - chemistryen_HK
dc.subject.meshCompressive Strengthen_HK
dc.subject.meshDental Materials - chemistryen_HK
dc.subject.meshGlass Ionomer Cements - chemistryen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMaterials Testingen_HK
dc.subject.meshPhosphoric Acids - chemistryen_HK
dc.subject.meshPowdersen_HK
dc.subject.meshSolutionsen_HK
dc.subject.meshTime Factorsen_HK
dc.titleThe effects of boric acid and phosphoric acid on the compressive strength of glass-ionomer cementsen_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.2005.04.004en_HK
dc.identifier.pmid16045978-
dc.identifier.scopuseid_2-s2.0-29144449432en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-29144449432&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue1en_HK
dc.identifier.spage94en_HK
dc.identifier.epage97en_HK
dc.identifier.isiWOS:000234604600013-
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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