Table 1

Development of deciduous teeth in children born preterm and at term

Girlsp Value1-150Boysp Value1-150
PretermTermPretermTerm
nMedian (range)nMedian (range)nMedian (range)nMedian (range)
Chronological age at eruption
of first tooth (months)
151-151 9 (5–17)326 (3–12)<0.01151-151 7 (6–15)286 (2–10)<0.01
Corrected age at eruption
of first tooth (months)
151-151 8 (3–16)326 (3–12)0.02131-151 5 (2–12)286 (2–10)0.18
Number of teeth at age 2 years1616 (11–18)3216 (12–20)0.221416 (15–19)2816 (12–20)0.52
Demirjian SDS220.30 (−2.41–1.48)1090.42 (−0.46–1.74)180.27 (−1.24–1.88)950.33 (−0.66–2.62)0.46
  • 1-150 Mann-Whitney U test.

  • 1-151 n = 15 + 13 = 28; information was missing on eruption of first tooth in two children.