Timing of Colonization of Caries-Producing Bacteria: An Approach Based on Studying Monozygotic Twin Pairs

Bockmann, Michelle; Harris, Abbe; Bennett, Corinna N.; Odeh, Ruba; Hughes, Toby; Townsend, Grant

doi:10.1155/2011/571573

Cited by 12 publications

(15 citation statements)

References 34 publications

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“…Our results thus extend those of Bockmann et al 25 who reported that over a fifth of MZ twin pairs were discordant for MS colonization before or after first tooth emergence, suggesting that environmental factors play a role on MS colonization. Our results thus extend those of Bockmann et al 25 who reported that over a fifth of MZ twin pairs were discordant for MS colonization before or after first tooth emergence, suggesting that environmental factors play a role on MS colonization.…”

Section: Discussionsupporting

confidence: 90%

“…Our results showed minimal differences in proportions of intra-twin pair concordances between MZ and DZ twin pairs for MS and LB colonization, suggesting minimal genetic influence on this trait. Our results thus extend those of Bockmann et al 25 who reported that over a fifth of MZ twin pairs were discordant for MS colonization before or after first tooth emergence, suggesting that environmental factors play a role on MS colonization. On the other hand, our findings differ from those of another study of twins of a similar age to the present study but of low socio-economic status.…”

Section: Discussionsupporting

confidence: 90%

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Bacterial colonization, enamel defects and dental caries in 4–6‐year‐old mono‐ and dizygotic twins

Ooi

Townsend

Seow

2013

Int J Paed Dentistry

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Background 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.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionsupporting

confidence: 90%

Bacterial colonization, enamel defects and dental caries in 4–6‐year‐old mono‐ and dizygotic twins

Ooi

Townsend

Seow

2013

Int J Paed Dentistry

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“…Longitudinal study Eating disorders The most significant time of risk for the development of high levels of weight and shape concern was 13-15 years of age (Wade et al, 2008;Wilksch & Wade, 2009. Oral health/dentistry Environmental and epigenetics factors likely play a role in the timing of tooth emergence and bacterial colonization (Bockmann et al, 2011).…”

Section: Smoking and Bone Densitymentioning

confidence: 99%

Australian Twin Registry: 30 Years of Progress

et al. 2012

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The Australian Twin Registry (ATR) is a national volunteer resource of twin pairs and higher-order multiples willing to consider participating in health, medical, and scientific research. The vision of the ATR is 'to realize the full potential of research involving twins to improve the health and well-being of all Australians'. The ATR has been funded continuously by the National Health and Medical Council for more than 30 years. Its core functions entail the recruitment and retention of twin members, the maintenance of an up-to-date database containing members' contact details and baseline information, and the promotion and provision of open access to researchers from all institutes in Australia, and their collaborators, in a fair and equitable manner. The ATR is administered by The University of Melbourne, which acts as custodian. Since the late 1970s the ATR has enrolled more than 40,000 twin pairs of all zygosities and facilitated more than 500 studies that have produced at least 700 peer-reviewed publications from classical twin studies, co-twin control studies, within-pair comparisons, twin family studies, longitudinal twin studies, randomized controlled trials, and epigenetics studies, as well as studies of issues specific to twins. New initiatives include: a Health and Life Style Questionnaire; data collection, management, and archiving using a secure online software program (The Ark); and the International Network of Twin Registries. The ATR's expertise and 30 years of experience in providing services to national and international twin studies has made it an important resource for research across a broad range of disciplines.

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“…Bockmann et al [11] were collecting data on the time that deciduous teeth and Streptococcus mutans bacteria appear among monozygotic twins. In 25% of cases, the colonization appeared even before the first teeth in the oral cavity.…”

Section: Discussion Caries and Periodontal Diseasesmentioning

confidence: 99%

State of Dentition Among Twins Considering the Influence of Genetic and Environmental Factors: The Systematic Review of the Literature

Piekoszewska‐Ziętek¹,

Turska‐Szybka²,

Olczak‐Kowalczyk³

2016

Dent. Med. Probl.

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Timing of Colonization of Caries-Producing Bacteria: An Approach Based on Studying Monozygotic Twin Pairs

Cited by 12 publications

References 34 publications

Bacterial colonization, enamel defects and dental caries in 4–6‐year‐old mono‐ and dizygotic twins

Bacterial colonization, enamel defects and dental caries in 4–6‐year‐old mono‐ and dizygotic twins

Australian Twin Registry: 30 Years of Progress

State of Dentition Among Twins Considering the Influence of Genetic and Environmental Factors: The Systematic Review of the Literature

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