Table 3.
Mean palatal arch dimensions, SIP, CAIP, and CPIP in Jordanian children.
| Variables | Male | Female | t-test |
|---|---|---|---|
| Mean ± SD (mm) | Mean ± SD (mm) | p value | |
| Length | 34.23 ± 2.98 | 32.20 ± 3.08 | 0.042∗ |
| Width | 39.39 ± 2.92 | 35.65 ± 2.28 | 0.000∗ |
| Depth | 12.22 ± 1.96 | 11.77 ± 1.65 | 0.671 |
| SIP | 7.00 ± 0.43 | 5.82 ± 0.36 | 0.000∗ |
| CAIP | 3.75 ± 0.65 | 3.20 ± 0.45 | 0.183 |
| CPIP | 10.9 ± 1.02 | 10.0 ± 0.99 | 0.165 |
SIP, size of the incisive papilla; CAIP, distance between the labial surfaces of the central incisors and the anterior border of the incisive papilla; CPIP, distance between the labial surfaces of the central incisors and the posterior border of the incisive papilla. ∗Significant difference between males and females. Males and females were compared using Student's t-test.