Table 4: Difference between plaster and digital models in each group of crowding according to ABO score.
| - |
Mean Differences
Plaster - Digital
|
- |
| - |
A |
B |
C |
D |
E |
p value |
| Maxillary TALD a |
0.01 |
-0.42 |
-0.55 |
-1.06 |
-1.43 |
*** |
| Mandibular TALD a |
-0.22 |
-0.47 |
-0.52 |
-0.83 |
-2.04 |
**** |
| Overall Bolton Ratio b |
0.11 |
-0.17 |
1.23 |
1.06 |
0.83 |
* |
| Anterior Bolton Ratio b |
0.94 |
-1.05 |
0.88 |
0.83 |
0.15 |
NS |
a Units are represented in millimeters;
b Units are represented in percentage; TALD is reported in absolute value; “A”= group from ≥0 to ≤1 mm; “B”= group from >1 to ≤3 mm; “C”= group from >3 to ≤5 mm; “D”= group from >5 to ≤7 mm; “E”= group over >7 mm.