TABLE 2.
Descriptive statistics and statistical comparisons of the T1‐T0 changes
| Cephalometric measures | FMB | CAG | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n = 25 | n = 24 | |||||||||
| Mean | SD | 95% CI | Mean | SD | 95% CI | Mean difference | P | 95% CI Lower limit | 95% CI Upper limit | |
| Sagittal Skeletal | ||||||||||
| SNA (°) | −0.7 | 1.4 | −1.2;−0.1 | −0.6 | 1.1 | −1.1;−0.1 | −0.1 | .836 | −0.8 | 0.7 |
| SNPg (°) | 0.5 | 1.1 | 0.1;1.0 | 0.3 | 1.5 | −0.4;0.9 | 0.2 | .505 | −0.5 | 1.0 |
| ANPg (°) | −0.8 | 1.0 | −1.2;−0.4 | −0.7 | 1.1 | −1.2;−0.3 | −0.1 | .762 | −0.7 | 0.5 |
| Wits (mm) | −2.1 | 2.1 | −2.9:−1.2 | −1.8 | 2.4 | −2.8;−0.8 | −0.3 | .676 | −1.6 | 1.0 |
| Co‐Gn (mm) | 5.7 | 4.0 | 4.0;7.4 | 5.2 | 3.9 | 3.5;6.8 | 0.5 | .650 | −1.7 | 2.8 |
| Vertical Skeletal | ||||||||||
| SN/PP (°) | 0.3 | 1.9 | −0.5;1.1 | 0.7 | 1.3 | 0.2;1.3 | −0.5 | .323 | −1.4 | 0.5 |
| SN/MP (°) | −0.2 | 1.5 | −0.8;0.5 | −0.3 | 2.2 | −1.2;0.7 | 0.1 | .840 | −1.0 | 1.2 |
| PP/MP (°) | −0.3 | 2.7 | −1.4;0.8 | −1.0 | 2.0 | −1.8;−0.1 | 0.7 | .294 | −0.6 | 2.1 |
| CoGoMe (°) | 1.8 | 5.4 | −0.4;4.1 | −2.5 | 8.6 | −6.1;1.1 | 4.3 | .038 | 0.3 | 8.4 |
| Co‐Go (mm) | 4.1 | 3.3 | 2.7;5.4 | 3.8 | 3.9 | 2.2;5.4 | 0.3 | .789 | −1.8 | 2.3 |
| Interdental | ||||||||||
| Overjet (mm) | −1.9 | 1.8 | −2.7;−1.2 | −1.7 | 1.5 | −2.3;−1.0 | −0.2 | .609 | −1.2 | 0.7 |
| Overbite (mm) | −1.7 | 1.9 | −2.4;−0.9 | −1.2 | 1.4 | −1.8;−0.6 | −0.4 | .345 | −1.4 | 0.5 |
| Maxillary dentoalveolar | ||||||||||
| U1/PP (°) | 3.4 | 8.5 | −0.1;6.9 | 0.5 | 9.2 | −3.3;4.4 | 2.8 | .268 | −2.2 | 7.9 |
| Mandibular dentoalveolar | ||||||||||
| L1/GoGn (°) | 4.3 | 5.8 | 1.9;6.7 | −0.5 | 3.9 | −2.1;1.2 | 4.8 | <.001 | 1.9 | 7.6 |
Significance level was set at P < .035. Data are reported as mean ± standard deviation (SD) and 95% confidence interval (95%CI). Bold type: statistically significant.
Abbreviations: CAG, clear aligners group; FMB, fixed multibracket group.