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Article: Microhardness and Ca:P ratio of carious and Carisolv™ treated caries-affected dentine using an ultra-micro-indentation system and energy dispersive analysis of x-rays - A pilot study

TitleMicrohardness and Ca:P ratio of carious and Carisolv™ treated caries-affected dentine using an ultra-micro-indentation system and energy dispersive analysis of x-rays - A pilot study
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2005
PublisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0045-0421
Citation
Australian Dental Journal, 2005, v. 50 n. 4, p. 246-250 How to Cite?
AbstractBackground: This study aimed to evaluate microhardness and chemical analysis of carious and caries-affected dentine. The hypothesis tested was that calcium:phosphorous (Ca:P) ratios correlate with microhardness values. Methods: Four carious human third molars were sectioned through the caries lesion in the mesiodistal longitudinal plane. One half of each lesion underwent carious dentine removal using Carisolv™ gel. The cut surfaces were polished, microhardness tested using an Ultra-Micro-Indentation System (UMIS) and elemental analysis performed using energy dispersive analysis of x-rays (EDAX). Results: The microhardness of carious dentine decreased gradually towards the cavity floor, but that for caries-affected dentine showed more variation with depth, having a mean hardness of (0.63±0.18) GPa. Ca:P ratios of carious dentine varied among the four specimens. The mean Ca:P ratio of caries-affected dentine was 1:2.03±0.08. The hypothesis was accepted for active lesions. Conclusions: The use of Carisolv™ to excavate carious tissue can be as effective as rotary instrumentation.
Persistent Identifierhttp://hdl.handle.net/10722/90658
ISSN
2015 Impact Factor: 1.272
2015 SCImago Journal Rankings: 0.482
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSakoolnamarka, Ren_HK
dc.contributor.authorBurrow, MFen_HK
dc.contributor.authorSwain, Men_HK
dc.contributor.authorTyas, MJen_HK
dc.date.accessioned2010-09-17T10:06:22Z-
dc.date.available2010-09-17T10:06:22Z-
dc.date.issued2005en_HK
dc.identifier.citationAustralian Dental Journal, 2005, v. 50 n. 4, p. 246-250en_HK
dc.identifier.issn0045-0421en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90658-
dc.description.abstractBackground: This study aimed to evaluate microhardness and chemical analysis of carious and caries-affected dentine. The hypothesis tested was that calcium:phosphorous (Ca:P) ratios correlate with microhardness values. Methods: Four carious human third molars were sectioned through the caries lesion in the mesiodistal longitudinal plane. One half of each lesion underwent carious dentine removal using Carisolv™ gel. The cut surfaces were polished, microhardness tested using an Ultra-Micro-Indentation System (UMIS) and elemental analysis performed using energy dispersive analysis of x-rays (EDAX). Results: The microhardness of carious dentine decreased gradually towards the cavity floor, but that for caries-affected dentine showed more variation with depth, having a mean hardness of (0.63±0.18) GPa. Ca:P ratios of carious dentine varied among the four specimens. The mean Ca:P ratio of caries-affected dentine was 1:2.03±0.08. The hypothesis was accepted for active lesions. Conclusions: The use of Carisolv™ to excavate carious tissue can be as effective as rotary instrumentation.en_HK
dc.languageengen_HK
dc.publisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0045-0421en_HK
dc.relation.ispartofAustralian Dental Journalen_HK
dc.subjectChemicals And Cas Registry Numbersen_HK
dc.subject.meshAdulten_HK
dc.subject.meshCalcium - analysisen_HK
dc.subject.meshDental Caries - pathology - physiopathologyen_HK
dc.subject.meshDental Cavity Preparation - instrumentation - methodsen_HK
dc.subject.meshDentin - physiopathology - ultrastructureen_HK
dc.subject.meshElasticityen_HK
dc.subject.meshElectron Probe Microanalysisen_HK
dc.subject.meshGlutamic Acid - administration & dosageen_HK
dc.subject.meshHardnessen_HK
dc.subject.meshHumansen_HK
dc.subject.meshLeucine - administration & dosageen_HK
dc.subject.meshLysine - administration & dosageen_HK
dc.subject.meshMicroscopy, Electron, Scanningen_HK
dc.subject.meshPhosphorus - analysisen_HK
dc.subject.meshPilot Projectsen_HK
dc.titleMicrohardness and Ca:P ratio of carious and Carisolv™ treated caries-affected dentine using an ultra-micro-indentation system and energy dispersive analysis of x-rays - A pilot studyen_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.doi10.1111/j.1834-7819.2005.tb00368.xen_HK
dc.identifier.pmid17016890-
dc.identifier.scopuseid_2-s2.0-30444436208en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-30444436208&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume50en_HK
dc.identifier.issue4en_HK
dc.identifier.spage246en_HK
dc.identifier.epage250en_HK
dc.identifier.isiWOS:000234307100007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridSakoolnamarka, R=6508034450en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK
dc.identifier.scopusauthoridSwain, M=7201800664en_HK
dc.identifier.scopusauthoridTyas, MJ=7006088443en_HK

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