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Article: A multi-country comparison of caries-associated microflora in demographically diverse children

TitleA multi-country comparison of caries-associated microflora in demographically diverse children
Authors
Issue Date2004
PublisherF D I World Dental Press Ltd. The Journal's web site is located at http://www.fdiworldental.org/resources/4_3community.html
Citation
Community Dental Health, 2004, v. 21 n. 1 SUPPL., p. 96-101 How to Cite?
AbstractObjective: The aim of this formative international collaborative research on childhood dental caries was to undertake an initial investigation comparing the dental plaque of young children from diverse ethnic and socioeconomic backgrounds with and without dental caries. Basic research design: The following four null hypotheses were investigated. There were no differences in numbers of individual taxa when comparing plaque samples from: 1) caries-free children from deprived and non-deprived backgrounds; 2) children from deprived and non-deprived backgrounds with at least 3 decayed teeth; 3) children from non-deprived backgrounds who are caries free with those from similar backgrounds with at least 3 decayed teeth; and, 4) children from deprived backgrounds who are caries free with those from similar backgrounds with at least 3 decayed teeth. Participants: 277 children aged 3-4 years from 5 countries. Main outcome measures: A sample of interproximal plaque from anterior teeth was collected using sterile dental floss, and cultured according to accepted international standards. Results: Analysis of the data found that the first null hypothesis was accepted and that the fourth was rejected. Unexpectedly, the second null hypothesis was rejected as the children with caries from deprived and non-deprived backgrounds had a different caries-associated flora. In particular, children living in deprivation harbored more caries-associated bacteria [mutans streptococci and lactobacilli]. This greater microbial challenge was associated with a higher level of cavitated carious lesions and with more frequent consumption of confectionery. Conclusions: Children from deprived backgrounds with caries may be further disadvantaged by having higher levels of caries-associated microflora.
Persistent Identifierhttp://hdl.handle.net/10722/66505
ISSN
2015 Impact Factor: 0.767
2015 SCImago Journal Rankings: 0.395
References

 

DC FieldValueLanguage
dc.contributor.authorBeighton, Den_HK
dc.contributor.authorBrailsford, Sen_HK
dc.contributor.authorSamaranayake, LPen_HK
dc.contributor.authorBrown, JPen_HK
dc.contributor.authorFeng, XPen_HK
dc.contributor.authorGrantMills, Den_HK
dc.contributor.authorHarris, Ren_HK
dc.contributor.authorLo, ECMen_HK
dc.contributor.authorNaidoo, Sen_HK
dc.contributor.authorRamosGomez, Fen_HK
dc.contributor.authorTeo, CSen_HK
dc.contributor.authorBurnside, Gen_HK
dc.contributor.authorPine, CMen_HK
dc.date.accessioned2010-09-06T05:46:55Z-
dc.date.available2010-09-06T05:46:55Z-
dc.date.issued2004en_HK
dc.identifier.citationCommunity Dental Health, 2004, v. 21 n. 1 SUPPL., p. 96-101en_HK
dc.identifier.issn0265-539Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/66505-
dc.description.abstractObjective: The aim of this formative international collaborative research on childhood dental caries was to undertake an initial investigation comparing the dental plaque of young children from diverse ethnic and socioeconomic backgrounds with and without dental caries. Basic research design: The following four null hypotheses were investigated. There were no differences in numbers of individual taxa when comparing plaque samples from: 1) caries-free children from deprived and non-deprived backgrounds; 2) children from deprived and non-deprived backgrounds with at least 3 decayed teeth; 3) children from non-deprived backgrounds who are caries free with those from similar backgrounds with at least 3 decayed teeth; and, 4) children from deprived backgrounds who are caries free with those from similar backgrounds with at least 3 decayed teeth. Participants: 277 children aged 3-4 years from 5 countries. Main outcome measures: A sample of interproximal plaque from anterior teeth was collected using sterile dental floss, and cultured according to accepted international standards. Results: Analysis of the data found that the first null hypothesis was accepted and that the fourth was rejected. Unexpectedly, the second null hypothesis was rejected as the children with caries from deprived and non-deprived backgrounds had a different caries-associated flora. In particular, children living in deprivation harbored more caries-associated bacteria [mutans streptococci and lactobacilli]. This greater microbial challenge was associated with a higher level of cavitated carious lesions and with more frequent consumption of confectionery. Conclusions: Children from deprived backgrounds with caries may be further disadvantaged by having higher levels of caries-associated microflora.en_HK
dc.languageengen_HK
dc.publisherF D I World Dental Press Ltd. The Journal's web site is located at http://www.fdiworldental.org/resources/4_3community.htmlen_HK
dc.relation.ispartofCommunity Dental Healthen_HK
dc.subject.meshCandyen_HK
dc.subject.meshChi-Square Distributionen_HK
dc.subject.meshChild, Preschoolen_HK
dc.subject.meshCultural Deprivationen_HK
dc.subject.meshDemographyen_HK
dc.subject.meshDental Caries - microbiologyen_HK
dc.subject.meshDental Plaque - microbiologyen_HK
dc.subject.meshEthnic Groupsen_HK
dc.subject.meshFood Habitsen_HK
dc.subject.meshHumansen_HK
dc.subject.meshLactobacillus - isolation & purificationen_HK
dc.subject.meshOral Hygieneen_HK
dc.subject.meshSocioeconomic Factorsen_HK
dc.subject.meshStatistics, Nonparametricen_HK
dc.subject.meshStreptococcus mutans - isolation & purificationen_HK
dc.titleA multi-country comparison of caries-associated microflora in demographically diverse childrenen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0265-539X&volume=21&spage=96&epage=101&date=2004&atitle=A+multi-country+comparison+of+caries-associated+microflora+in+demographically+diverse+childrenen_HK
dc.identifier.emailSamaranayake, LP:lakshman@hku.hken_HK
dc.identifier.emailLo, ECM:hrdplcm@hkucc.hku.hken_HK
dc.identifier.authoritySamaranayake, LP=rp00023en_HK
dc.identifier.authorityLo, ECM=rp00015en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid15072478-
dc.identifier.scopuseid_2-s2.0-2342486704en_HK
dc.identifier.hkuros88858en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2342486704&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume21en_HK
dc.identifier.issue1 SUPPL.en_HK
dc.identifier.spage96en_HK
dc.identifier.epage101en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridBeighton, D=7005663074en_HK
dc.identifier.scopusauthoridBrailsford, S=7004634052en_HK
dc.identifier.scopusauthoridSamaranayake, LP=7102761002en_HK
dc.identifier.scopusauthoridBrown, JP=7409446775en_HK
dc.identifier.scopusauthoridFeng, XP=7403047063en_HK
dc.identifier.scopusauthoridGrantMills, D=6506521846en_HK
dc.identifier.scopusauthoridHarris, R=7405695593en_HK
dc.identifier.scopusauthoridLo, ECM=7101705982en_HK
dc.identifier.scopusauthoridNaidoo, S=7005219577en_HK
dc.identifier.scopusauthoridRamosGomez, F=7004489713en_HK
dc.identifier.scopusauthoridTeo, CS=7102502587en_HK
dc.identifier.scopusauthoridBurnside, G=7003439907en_HK
dc.identifier.scopusauthoridPine, CM=7004800206en_HK

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