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A study on neonatal factors and eruption time of primary teeth

O Aktoren1, E B Tuna, Y Guven

  • 1Istanbul University, Faculty of Dentistry, Department of Pediatric Dentistry, 34093, Capa-Istanbul, Turkey.

Community Dental Health
|April 30, 2010
PubMed

Insights

The first primary tooth eruption time is not significantly affected by gender or gestational age. However, infants with lower birth weights tend to experience delayed tooth eruption.

Area of Science:

  • Pediatric Dentistry
  • Neonatal Research
  • Human Growth and Development

Background:

  • The eruption of the first primary tooth (FPT) is a significant developmental milestone in infants.
  • Understanding the typical timing and influencing factors is crucial for pediatric health assessments.
  • Neonatal factors may play a role in the timing of tooth eruption.

Purpose of the Study:

  • To determine the mean eruption time of the first primary tooth in infants.
  • To investigate the influence of various neonatal factors on the timing of FPT eruption.

Main Methods:

  • Retrospective review of dental and medical records of healthy infants.
  • Data collected included birth weight (BW), gestational age (GA), and FPT eruption time.
  • Maternal interviews assessed smoking and caffeine consumption during pregnancy; statistical analysis employed Student's t, Tukey, and Pearson correlation tests.

Main Results:

  • Mean eruption times (MET) for girls and boys were not significantly different (7.25 vs. 7.07 months).
  • Infants with a birth weight over 2500g had a significantly earlier MET (6.99 months) compared to those between 1500-2500g (8.28 months; p=0.014).
  • Gestational age and maternal factors did not show significant associations with FPT eruption timing.

Conclusions:

  • Birth weight is a significant neonatal factor influencing the timing of the first primary tooth eruption.
  • Other assessed neonatal factors, including gestational age and maternal habits, did not demonstrate a significant impact on FPT eruption timing.
Abstract

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