Table 2: Comparison of the MCD analysis before and after selective grinding guided by an occlusal splint. The mean values (SD), minimum and maximum (mm) and horizontal (XX`) and vertical (YY) CD in the different facial patterns groups.
| Facial Pattern/CD |
Mean (SD) XX |
YY |
Minimum (mm) XX |
YY |
Maximum(mm) XX |
YY |
| Before selective grinding |
|
|
|
|
|
| Hyperdivergent |
0.20 (0.41)*** |
0.31 (0.45)*** |
-0.42 |
0 |
1.11 |
2.38 |
| Hypodivergent |
0.23 (0,55)*** |
0.22 (0.62)*** |
-0.45 |
0 |
0.92 |
0.31 |
| Intermediate |
0.15 (0.51)*** |
0.17 (0.78)*** |
-0.38 |
0 |
1.11 |
0.17 |
| After selective grinding |
|
|
|
|
|
| Hyperdivergent |
0.22 (0.32)*** |
0.35 (0.45)*** |
-0.46 |
0 |
1.16 |
2.48 |
| Hypodivergent |
0.27 (0,45)*** |
0.28 (0.62)*** |
-0.52 |
0 |
0.98 |
0.36 |
| Intermediate |
0.18 (0.83)*** |
0.19 (0.78)*** |
-0.28 |
0 |
1.12 |
0.22 |
XX` Means are expressed in absolute values SD: standard deviation; CD: condylar displacement. ***p<0.01