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dc.contributor.authorOoi, G.en
dc.contributor.authorTownsend, G.en
dc.contributor.authorSeow, K.en
dc.identifier.citationInternational Journal of Paediatric Dentistry, 2014; 24(2):152-160en
dc.description.abstractBackground: Knowledge of the genetic and environmental influences in caries aetiology has relevance for preventive dentistry. Aims: This classical twin study compared concordance of mutans streptococci (MS) and lactobacilli (LB) colonization, enamel defects, and caries in a cohort of 4–6-year-old mono- (MZ) and dizygotic (DZ) twin pairs. Design: The twins were examined for prevalence and concordance of enamel opacities and hypoplasia, oral counts of MS and LB, and dental caries. Bacterial counts were assessed using a commercial microbiological kit. Results: Thirty-four MZ and 50 DZ twins (mean gestational age 35.0 ± 2.4 weeks, and birthweight 2.4 ± 0.6 kg) were examined. There were no statistically significant differences between MZ and DZ twins in the prevalence of MS, LB, and enamel hypoplasia. Concordance rates for MS and LB presence and prevalence of enamel defects within MZ and DZ twin pairs were not significantly different. There were more children with caries in DZ compared with MZ twins (18% vs 3%, P = 0.0029), most likely due to increased daily frequency of sugar consumption and less toothbrushing. Conclusions: Concordance data from MZ and DZ twins did not demonstrate any statistically significant difference in susceptibility for enamel defects and colonization of MS and LB.en
dc.description.statementofresponsibilityGregory Ooi, Grant Townsend and W. KIM Seowen
dc.publisherJohn Wiley & Sonsen
dc.rights© 2013 BSPD, IAPD and John Wiley & Sons A/S. Published by John Wiley & Sons Ltden
dc.subjectDental Enamel; Humans; Dental Caries; Twins; Child, Preschool; Infant; Maleen
dc.titleBacterial colonization, enamel defects and dental caries in 4-6-year-old mono- and dizygotic twinsen
dc.typeJournal articleen
pubs.library.collectionDentistry publicationsen
Appears in Collections:Dentistry publications

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