Table 2.
Unadjusted Incidence and Means of Dental Outcomes between Very Low Birth Weight Infants and Normal Birth Weight Infants
| 8 mos‡ |
18 mos |
|||||
|---|---|---|---|---|---|---|
| Dental Outcomes | VLBW(n = 149) | NBW(n = 149) | p value | VLBW(n = 194) | NBW(n = 184) | p value |
| Number of teeth (mean ± SD) | 4.1 ± 2.8 | 4.2 ± 2.6 | .75 | 15.0 ± 3.0 | 15.6 ± 2.7 | .05* |
| % with Early Childhood Caries (ECC) | 2 (1.3%) | 2 (1.3%) | 1 | 21 (10.8%) | 25 (13.6%) | .41 |
| No. of teeth with ECC (mean ± SD) | 0.04 ± 0.37 | 0.03 ± 0.23 | .7 | 0.40 ± 1.4 | 0.36 ± 1.2 | .78 |
| % with demarcated opacity | 12 (8.1%) | 8 (5.4%) | .35 | 38 (19.6%) | 29 (15.8%) | .33 |
| Demarcated (mean ± SD) | 0.12 ± 0.46 | 0.11 ± 0.56 | .91 | 0.51 ± 1.75 | 0.27 ± 0.74 | .08 |
| % with hypoplasia | 28 (18.8%) | 3 (2.0%) | < .001* | 60 (30.9%) | 15 (8.2%) | < .001* |
| Hypoplasia (mean ± SD) | 0.29 ± 0.69 | 0.02 ± 0.14 | < .001* | 0.72 ± 1.59 | 0.18 ± 0.68 | < .001* |
| % with any enamel defect | 37 (24.8%) | 12 (8.1%) | < .001* | 85 (43.8) | 45 (24.5%) | .001* |
| Any defect (mean ± SD) | 0.48 ± 1.05 | 0.15 ± 0.60 | .001* | 1.37 ± 2.63 | 0.53 ± 1.18 | < .001* |
VLBW, very low birthweight; NBW, normal birthweight.
a
Dental outcomes calculated only for 296 infants with erupted teeth
*
Significant at p < .05.