Table 7.
The results of Mann-Whitney U test for comparing between healthy children and those with TDIs.
| Incidence of TDIs | p-value | ||
|---|---|---|---|
| No | Yes | ||
| Mean | Mean | ||
| Age (years) | 7.63 | 6.77 | 0.063 |
| Number of attempts | 2.80 | 5.62 | < 0.001* |
| Duration of anesthesia (h) | 2.47 | 2.39 | 0.983 |
| Inter-incisor distance (cm) | 3.42 | 2.84 | < 0.001* |
| The distance between the mental and thyroid cartilage (cm) | 7.01 | 6.40 | < 0.028* |
| DMFT + dmft index | 4.98 | 4.91 | 0.676 |
TDIs, traumatic dental injuries; *, significant difference p-value < 0.05, p-values written in bold are statistically significant (p < 0.05); DMFT, mean number of decayed, missing, and filled permanent teeth; dmft, mean number of decayed, missing, and filled primary teeth.