Table 2.
The nasopalatine canal dimensions in sagittal section according to the NPC shapes
| IF | MP | SF | NPC length | NPC angle | |
|---|---|---|---|---|---|
|
|
|
|
|
|
|
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Cylindrical | 3.34 (0.99)A | 2.55 (0.87)A | 2.86 (0.89)A | 9.03 (2.53)A | 75.85 (9.27) |
|
| |||||
| Hourglass | 3.93 (1.06)B | 1.59 (0.65)B | 3.21 (0.96)A | 10.36 (3.04)B | 78.04 (10.09) |
|
| |||||
| Cone | 3.53 (1.08)A | 1.98 (0.73)C | 1.59 (0.6)B | 9.4 (2.37)A | 76.18 (8.37) |
|
| |||||
| Funnel | 3.99 (1.2)B | 2 (0.9)C | 2.02 (0.75)C | 9.96 (2.55)AB | 77.07 (8.93) |
|
| |||||
| Banana | 3.59 (0.92)AB | 3.04 (0.63)AD | 2.87 (0.85)AD | 11.79 (2.05)BC | 74.36 (7.01) |
|
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| Reverse funnel | 2.33 (0.85)C | 2.27 (0.87)AC | 3.5 (1.01)AD | 8.91 (2.48)AB | 78.13 (8.62) |
|
| |||||
| Total | 3.54 (1.11) | 2.25 (0.9) | 2.53 (1.01) | 9.49 (2.61) | 76.41 (9.08) |
|
| |||||
| P value | 0.000a | 0.000a | 0.000a | 0.000a | 0.148 |
aStatistically significant at level P ≤ 0.01 (independent samples Kruskal-Wallis test).
The uppercase superscript indicates statistical differences within column (Dunn-Bonferroni post hoc analysis).
IF = incisive foramen; MP = mid-level point; SF = stenson foramen; NPC = nasopalatine canal; SD = standard deviation.