Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/62647
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Type: Journal article
Title: A controlled study of dental erosion in 2-to 4-year-old twins
Author: Taji, S.
Seow, W.
Townsend, G.
Holcombe, T.
Citation: International Journal of Paediatric Dentistry, 2010; 20(6):400-409
Publisher: Blackwell Publishing Ltd.
Issue Date: 2010
ISSN: 0960-7439
1365-263X
Statement of
Responsibility: 
Sue S. Taji, W. Kim Seow, Grant C. Townsend and Trevor Holcombe
Abstract: Background: Dental erosion (DE) in children is a significant oral health issue and has become a focus for research in clinical paediatric dentistry. Aim: This study investigated DE in the primary dentition of 2- to 4-year-old twin and singleton children with regard to the genetic, medical and dietary factors associated with the condition. Design: The 128 subjects consisted of 88 twin children (31 monozygous, 50 dizygous, 7 unknown zygosity) and singletons (n = 40) aged 2–4 years. Medical, dental, and dietary histories were obtained. The children were examined for DE using a modified index. Results: The prevalence of DE by subject affected was 77% in monozygotic twins (MZ), 74% in dizygotic twins (DZ), and 75% in singleton controls (P > 0.1). Of the teeth scored, 12% had mild, 10% moderate, and 1% severe lesions, and DE was more severe in the older age group (P < 0.05). Concordance rates for erosion lesions in MZ and DZ co-twins were not statistically significant. Conclusions: The prevalence of DE and the concordance of erosion lesions were similar between MZ and DZ twins and singleton children, suggesting that the contribution of genetic factors to DE is negligible.
Keywords: Tooth, Deciduous
Humans
Tooth Erosion
Disease Susceptibility
Diseases in Twins
Dental Health Surveys
Prevalence
Matched-Pair Analysis
Twins, Dizygotic
Twins, Monozygotic
Child, Preschool
Australia
Female
Male
Rights: © 2010 The Authors. International Journal of Paediatric Dentistry © 2010 BSPD, IAPD and Blackwell Publishing Ltd
DOI: 10.1111/j.1365-263X.2010.01081.x
Appears in Collections:Aurora harvest
Dentistry publications

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