Research Article
Digital Models as an Alternative to Plaster Casts in Assessment of Orthodontic Treatment Outcomes
Table 3
Agreement between digital models and plaster casts in assessment of ICON.
| ā | Weighted score | Directional difference | Standardize difference | Absolute difference | p value | ICC | 95% Confidence Interval | Mean | SD | Median | Mean | SD | Mean | SD |
| Pre-treatment plaster cast | 57.05 | 20.21 | 58 | -1.23 | 11.52 | -0.107 | 9.08 | 7.04 | 0.561 | 0.903 | 0.817-0.949 | Pre-treatment digital model | 58.28 | 18.29 | 59 | Post-treatment plaster cast | 12.97 | 6.96 | 13 | -0.97 | 5.50 | -0.177 | 3.54 | 4.29 | 0.303 | 0.859 | 0.733-0.926 | Post-treatment digital model | 13.95 | 8.64 | 13 | Treatment change in plaster cast | -44.08 | 22.05 | -47 | 0.26 | 11.92 | 0.022 | 9.13 | 7.53 | 0.838 | 0.922 | 0.852-0.959 | Treatment change in digital model | -44.33 | 21.7 | -47 |
|
|
Standardized difference, D = mean directional difference/standard deviation of directional differences ( , small; 0.2< , moderate; and , large). |