Table 1.
Mean palatal arch dimensions, SIP, CAIP, and CPIP in Jordanian adults.
| Variables | Male | Female | t-test |
|---|---|---|---|
| Mean ± SD (mm) | Mean ± SD (mm) | p value | |
| Length | 43.91 ± 2.65 | 39.53 ± 2.73 | 0.000∗ |
| Width | 45.05 ± 2.47 | 40.23 ± 2.01 | 0.000∗ |
| Depth | 17.37 ± 2.05 | 15.69 ± 1.49 | 0.001∗ |
| SIP | 8.69 ± 1.37 | 4.16 ± 0.934 | 0.03∗ |
| CAIP | 4.74 ± 1.10 | 4.20 ± 0.96 | 0.496 |
| CPIP | 13.43 ± 1.42 | 11.71 ± 1.14 | 0.361 |
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.