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Related Experiment Videos

Does caries in primary teeth predict enamel defects in permanent teeth? A longitudinal study.

J M Broadbent1, W M Thomson, S M Williams

  • 1Faculty of Dentistry, University of Otago, PO Box 647, Dunedin, New Zealand. jonathan.broadbent@stonebow.otago.ac.nz

Journal of Dental Research
|February 23, 2005
PubMed
Summary

Dental caries in primary teeth can lead to enamel defects in permanent teeth. This study found a link between cavities in baby teeth and opacities in permanent successors.

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Area of Science:

  • Pediatric Dentistry
  • Developmental Biology
  • Dental Public Health

Background:

  • A historical hypothesis suggests primary tooth caries may cause enamel defects in permanent successors.
  • Recent research revives interest in this association, necessitating empirical investigation.

Purpose of the Study:

  • To investigate the association between dental caries in primary maxillary incisors and developmental defects of enamel in permanent incisors.
  • To analyze data from a prospective cohort study to test the hypothesis.

Main Methods:

  • Utilized data from the Dunedin Multidisciplinary Health and Development Study.
  • Assessed 663 children's maxillary incisors for caries at age five and enamel defects at age nine.
  • Adjusted for confounding factors including socio-economic status, fluoridation, trauma, and early tooth loss.

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Main Results:

  • Children with primary carious maxillary incisors were more likely to exhibit demarcated opacities in permanent successors.
  • An unadjusted odds ratio of 2.3 (95% CI 1.3, 4.1) and adjusted odds ratio of 2.2 (95% CI 1.1, 4.3) were observed.
  • Findings support a temporal relationship between primary incisor caries and permanent successor opacities.

Conclusions:

  • Dental caries in primary maxillary incisors are associated with demarcated opacities in permanent successors.
  • This supports the hypothesis that early childhood caries can impact permanent tooth enamel development.
  • Clinical implications include emphasizing early caries prevention in primary dentition.