|
Monoblock
|
Twin-block
|
P
|
Mean (SD)
|
Mean (SD)
|
Maxillary anteroposterior skeletal
|
SNA (º)
|
0.03 (1.81)
|
0.23 (1.98)
|
0.685
|
A-Na Perp. (mm)
|
0.5 (2.28)
|
-0.7 (2.34)
|
0.049a
|
Co-A (mm)
|
2.68 (5.52)
|
0.93 (3.05)
|
0.127
|
Mandibular anteroposterior skeletal
|
SNB (º)
|
0.93 (1.68)
|
2.35 (1.67)
|
0.002a
|
Pg-Na Perp. (mm)
|
1.99 (3.9)
|
1.76 (4.96)
|
0.842
|
Co-Gn (mm)
|
6.28 (6.97)
|
5.95 (5.4)
|
0.808
|
Intermaxillary
|
ANB (º)
|
-0.91 (1.11)
|
-2.09 (1.74)
|
0.003a
|
Wits (mm)
|
-1.59 (1.83)
|
-4.77 (2.75)
|
0.000a
|
Co-Gn - Co-A (mm)
|
3.58 (2.48)
|
5.03 (3.74)
|
0.086
|
Vertical skeletal
|
SGn-FH (º)
|
-0.28 (1.99)
|
0.25 (2.35)
|
0.353
|
SN-GoGn (º)
|
0.46 (3.09)
|
-0.33 (2.9)
|
0.311
|
FMA (º)
|
-0.12 (3.08)
|
0.66 (3.58)
|
0.373
|
SN-PP (º)
|
0.76 (2.65)
|
-0.61 (2.51)
|
0.044a
|
PP-MP (º)
|
-0.22 (2.75)
|
0.43 (2.79)
|
0.367
|
N-S-Art + S-Art-Go + Art-Go-Me (º)
|
0.55 (3.06)
|
-0.17 (2.84)
|
0.351
|
S-Go (mm)
|
4.91 (5.11)
|
4.59 (4.73)
|
0.637
|
ANS-Me (mm)
|
4.31 (4.19)
|
3.93 (3.73)
|
0.63
|
NA-APg (º)
|
-2.09 (2.72)
|
-3.85 (3.47)
|
0.034a
|
PFH/AFH (%)
|
0.41 (2.87)
|
0.97 (2.33)
|
0.342
|
SN-maxillary occlusal plane
|
0.67 (2.75)
|
1.86 (3.49)
|
0.169
|
Maxillary dentoalveolar
|
U1-SN (º)
|
1.32 (7.79)
|
-3.47 (9.84)
|
0.046a
|
U1-OCP (º)
|
2.03 (7.63)
|
-0.82 (9.57)
|
0.218
|
U1-PP (º)
|
2.1 (8.04)
|
-4.04 (10.17)
|
0.013a
|
U1-NA (º)
|
1.31 (7.65)
|
-3.68 (9.77)
|
0.038a
|
U1-NA (mm)
|
0.42 (2.61)
|
-0.98 (3.02)
|
0.073
|
U1-NF (mm)
|
1.29 (2.25)
|
1.15 (1.93)
|
0.763
|
U6-NF (mm)
|
1.18 (1.82)
|
0.53 (2.2)
|
0.166
|
Mandibular dentoalveolar
|
L1-MP (º)
|
2.16 (3.7)
|
2.79 (3.78)
|
0.688
|
L1-NB (º)
|
3.63 (4.14)
|
3.63 (9.58)
|
0.905
|
L1-NB (mm)
|
1.54 (1.21)
|
1.75 (1.42)
|
0.59
|
L1-APg (mm)
|
1.97 (1.62)
|
3.19 (2.01)
|
0.014a
|
L1-MP (mm)
|
1.82 (2.43)
|
-0.02 (2.78)
|
0.008a
|
L6-MP (mm)
|
1.95 (2.1)
|
3 (5.29)
|
0.385
|
Interdental
|
Overjet
|
-2.14 (2.54)
|
4.89 (2.95)
|
0.943
|
Overbite
|
-1.57 (1.84)
|
-3.66 (2.37)
|
0.000a
|
Interincisal angle (U1-L1) (º)
|
-4.06 (8.93)
|
0.44 (10.88)
|
0.081
|
Soft-tissue profile
|
Nasolabial angle (º)
|
-0.4 (6.03)
|
0.03 (12.35)
|
0.865
|
Nasal projection (mm)
|
0.97 (1.4)
|
1.5 (2.6)
|
0.361
|
Lower lip to E-plane (mm)
|
-0.34 (2.09)
|
-0.81 (1.9)
|
0.469
|
Upper lip to E-plane (mm)
|
-1.7 (1.54)
|
-2.31 (2.67)
|
0.328
|
Upper lip anterior (ULA-Sn) (mm)
|
-0.44 (1.35)
|
-0.21 (2.83)
|
0.573
|
Lower lip anterior (LLA-Sn) (mm)
|
0.76 (1.8)
|
2.33 (4.66)
|
0.059
|
Soft tissue A point’ (A’-Sn) (mm)
|
-0.48 (1)
|
-0.21 (2.27)
|
0.525
|
Soft tissue B point’ (B’-Sn) (mm)
|
0.38 (2.54)
|
3.23 (7)
|
0.039a
|
Soft tissue pogonion (Pg’-Sn) (mm)
|
0.49 (2.37)
|
2.47 (7.42)
|
0.156
|
Soft tissue convexity (º)
|
0.48 (3.17)
|
1.33 (12.62)
|
0.68
|