Table 4.
Age wise comparison of all parameters
| Parameter | 11-30 years | 31-50 years | 51-82 years | t | P |
|---|---|---|---|---|---|
| Mesiodistal dimension of incisive fossa | 2.98±1.09 | 3.32±0.85 | 3.43±0.97 | 5.03 | 0.007 (HS) |
| Anteroposterior dimension of IF | 2.84±0.98 | 3.12±0.88 | 3.15±0.99 | 2.81 | 0.06 |
| Angle of NPC | 70.30±45.85 | 86.32±39.24 | 91.02±37.89 | 5.95 | 0.003 (HS) |
| Length of NPC | 12.54±2.24 | 12.58±2.91 | 12.91±2.94 | 0.45 | 0.63 |
| Mesiodistal diameter of NPC at nasal level | 3.08±1.53 | 3.33±1.81 | 3.42±1.91 | 0.90 | 0.40 |
| Mesiodistal diameter of NPC at mid level | 2.03±0.92 | 2.26±1.03 | 2.44±1.08 | 3.41 | 0.035 (S) |
| Mesiodistal diameter of NPC at palate | 3.55±1.07 | 3.29±1.14 | 3.53±1.16 | 1.32 | 0.26 |
NPC=Nasopalatine canal; HS=Highly significant; S=Significant; IF=Incisive foramen