Table 1.
Baseline Skeletal and Dental Characteristics of Subjects Between ER and TSRa
| Variable |
Mean (SD) |
P Value |
Sig |
|
| ER |
TSR |
|||
| FMA, ° | 24.7 (5.2) | 21.9 (6.8) | .116 | ns |
| SNGoMe, ° | 30.6 (6.3) | 27.9 (6.8) | .166 | ns |
| PFH/AFH, mm | 66.4 (5.0) | 68.5 (6.4) | .207 | ns |
| Overjet, mm | 3.3 (1.3) | 3.6 (1.2) | .405 | ns |
| Overbite, mm | 0.9 (2.0) | 1.5 (1.5) | .211 | ns |
| L1-Apo, mm | 7.1 (2.7) | 6.1 (2.6) | .188 | ns |
| U1-Apo, mm | 10.5 (2.4) | 9.9 (3.0) | .429 | ns |
| PgNperp, ° | 1.0 (6.7) | 1.2 (8.1) | .458 | ns |
| Convexity, NA-Apo, ° | 7.1 (4.0) | 6.9 (3.1) | .817 | ns |
| Lower Lip to E-Plane, mm | 4.5 (3.8) | 3.1 (3.2) | .159 | ns |
| Maxillary crowding, mm | 3.6 (0.6) | 3.5 (1.1) | .740 | ns |
| Mandibular crowding, mm | 2.7 (0.7) | 2.8 (0.6) | .729 | ns |
a
SD indicates Standard Deviation; Sig, significance; ns, not significant by the Student's t-test at P < .05; SNGoMe, angle between Sella-Nasion and Gonion-Ment; PFH/AFH, relation between Posterior Facial Height/Anterior Facial Height; PgNperp, distance between Pg to Nperp line; L1Apo, protrusion of the lower incisor; U1Apo, protrusion of the upper incisor; FMA, angle between Frankfort horizontal plane and Mandibular plane; Convexity, angle between NA and Apo; Lower Lip to E-Plane, distance from Lower Lip to E-plane.