From: Sexual dimorphism in the long-term stability (10 years) of skeletal Class III treatment
Cephalometric measures | T0–T1 | T1–T2 | Female vs. male T0–T1 | Female vs. male T1–T2 | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Female | Male | Female | Male | t test | t test | |||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Significance | Significance | |
Cranial base | ||||||||||
Cranial flexure (°) | 0.62 | 2.67 | − 0.46 | 1.26 | 0.36 | 2.14 | − 0.02 | 1.55 | NS | NS |
Po localization (mm) | − 0.80 | 2.29 | − 2.11 | 2.51 | 0.56 | 3.25 | − 2.68 | 5.12 | NS | * |
Anterior cranial base (mm) | 3.93 | 2.49 | 3.28 | 2.16 | 2.08 | 2.74 | 2.71 | 2.69 | NS | NS |
Posterior cranial base (mm) | 3.74 | 1.90 | 2.70 | 1.92 | 0.20 | 2.63 | 3.51 | 5.29 | NS | * |
Maxillary skeletal | ||||||||||
Co-point A (mm) | 6.94 | 3.97 | 5.10 | 3.66 | 3.26 | 3.67 | 5.84 | 10.81 | NS | NS |
SNA (°) | 0.41 | 2.11 | 0.49 | 1.35 | 0.45 | 3.54 | 0.06 | 1.32 | NS | NS |
Point A-Nasion perp (mm) | 0.58 | 2.14 | 0.35 | 2.16 | 0.86 | 1.83 | 0.58 | 2.97 | NS | NS |
Maxillary depth (°) | 0.60 | 2.57 | 0.23 | 2.20 | 0.82 | 1.64 | 0.70 | 2.64 | NS | NS |
Mandibular skeletal | ||||||||||
Co-Gn (mm) | 11.92 | 5.13 | 10.58 | 6.77 | 6.49 | 5.98 | 8.94 | 9.02 | NS | NS |
SNB (°) | 0.00 | 2.28 | 0.06 | 1.12 | 0.41 | 2.59 | 1.65 | 2.32 | NS | NS |
Pg-Nasion perp (mm) | 1.26 | 4.61 | 0.22 | 5.46 | 2.65 | 3.49 | 3.84 | 4.96 | NS | NS |
Maxillary/mandibular | ||||||||||
Wits appraisal (mm) | 3.16 | 1.77 | 2.50 | 2.12 | − 0.46 | 1.94 | − 2.70 | 2.53 | NS | * |
ANB (°) | 0.72 | 1.58 | 0.48 | 1.84 | − 0.18 | 1.27 | − 1.37 | 1.06 | NS | * |
Maxillary/mandibibular difference (mm) | 5.02 | 3.50 | 5.28 | 4.81 | 3.22 | 3.23 | 5.64 | 7.62 | NS | NS |
Vertical skeletal | ||||||||||
FH-occlusal plane (°) | − 4.14 | 3.10 | − 1.78 | 4.22 | − 1.22 | 2.46 | − 1.09 | 3.55 | NS | NS |
SN-palatal plane (°) | − 0.46 | 2.19 | − 0.80 | 2.05 | 0.45 | 2.12 | − 0.55 | 3.05 | NS | NS |
MPA (°) | − 0.79 | 2.94 | − 0.38 | 2.81 | − 1.47 | 2.95 | − 1.96 | 2.88 | NS | NS |
Nasion-Me (mm) | 12.96 | 5.33 | 10.62 | 6.70 | 4.24 | 6.33 | 10.24 | 19.48 | NS | NS |
S-Go (mm) | 9.72 | 3.50 | 8.10 | 5.16 | 3.92 | 3.59 | 5.09 | 5.45 | NS | NS |
ANS-Me (mm) | 7.36 | 3.76 | 5.70 | 3.43 | 3.17 | 3.29 | 5.82 | 11.59 | NS | NS |
Gonial angle (°) | − 4.68 | 5.33 | − 2.42 | 3.39 | − 0.98 | 4.55 | − 1.08 | 3.32 | NS | NS |
Facial pattern | ||||||||||
S-Go/Nasion-Me (%) | 1.48 | 2.28 | 1.95 | 1.78 | 1.46 | 2.76 | 1.66 | 2.04 | NS | NS |
Facial axis (°) | − 1.33 | 2.86 | − 0.88 | 2.27 | 0.88 | 4.30 | 1.87 | 2.68 | NS | NS |
Interdental | ||||||||||
Overjet (mm) | 4.07 | 2.44 | 2.12 | 2.27 | − 0.68 | 0.70 | − 1.09 | 1.47 | * | NS |
Overbite (mm) | 1.20 | 1.55 | 0.05 | 2.40 | − 0.38 | 0.75 | − 0.64 | 0.90 | NS | NS |
Interincisal angle (°) | − 10.61 | 14.34 | − 5.38 | 6.06 | 0.66 | 6.45 | 3.55 | 5.92 | NS | NS |
Molar relationship (mm) | 2.25 | 2.17 | 0.72 | 1.98 | − 0.54 | 1.23 | − 0.76 | 1.76 | NS | NS |
Dentoalveolar | ||||||||||
U1 to point A to Nasion perp (mm) | 3.10 | 2.82 | 1.68 | 0.96 | 0.88 | 1,62 | 1.14 | 0.87 | NS | NS |
U1 to FH (°) | 16.79 | 28.64 | 4.82 | 6.59 | − 0.48 | 3.98 | − 0.06 | 2.85 | NS | NS |
L1 to A-Pg (mm) | 0.01 | 1.53 | 0.52 | 1.50 | 0.52 | 1.39 | 0.32 | 1.21 | NS | NS |
L1 to MPA (°) | 1.32 | 5.75 | − 0.38 | 2.86 | 1.27 | 3.72 | − 1.13 | 4.20 | NS | NS |
Soft tissue relationship | ||||||||||
Lower lip to E plane (mm) | − 0.86 | 2.00 | − 0.93 | 1.89 | − 0.94 | 2.08 | − 1.44 | 1.61 | NS | NS |
Upper lip to E plane (mm) | − 0.17 | 2.28 | − 0.97 | 2.47 | − 1.57 | 2.08 | − 2.63 | 2.80 | NS | NS |
Nasiolabial angle (°) | − 3.03 | 4.36 | − 0.43 | 5.09 | 0.76 | 4.74 | 1.06 | 4.36 | NS | NS |