Table 2.
Comparison of soft tissue measurements between females with Class III and I on smiling
| Measurement (mm) | Class I (n=15) | Class III (n=15) | Mean difference (mm) | 95% CI for Difference | P | Effect size (d) | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|||||||
| Mean (mm) | SD | Mean (mm) | SD | Lower bound | Upper bound | ||||
| Maxillary incisor display | 9.67 | 1.52 | 9.13 | 2.16 | 0.54 | -0.86 | 1.93 | 0.441 | 0.289 |
| Buccal corridors | 8.99 | 1.74 | 8.57 | 1.51 | 0.42 | -0.8 | 1.63 | 0.492 | 0.258 |
| Gingival display | 3.20 | 2.15 | 1.03 | 2.31 | 2.17 | 0.5 | 3.83 | 0.008* | 0.988† |
| Smile width | 68.68 | 6.24 | 77.55 | 13.16 | \.8.87 | -16.6 | -1.17 | 0.026* | 0.861 |
*Significant at P≤0.05, †Mann-Whitney U test