Table 2.
Comparison of Root mean-squared (RMS) values of trueness between models with diastema and edentulous spaces (DEM) and models with crowding (CM) for each 3D printer tested
| 3D Printers | Groups | N | RMS (mm) | SD | RMS Difference (mm) | SE Difference | Significance |
|---|---|---|---|---|---|---|---|
| Asiga Pro 4k65 | DEM | 10 | 0,154 | 0,019 | 0,001 | 0,007 | NS |
| CM | 10 | 0,155 | 0,012 | ||||
| Photon M3 | DEM | 10 | 0,208 | 0,017 | 0,005 | 0,007 | NS |
| CM | 10 | 0,214 | 0,015 | ||||
| Form 3B | DEM | 10 | 0,083 | 0,008 | 0,001 | 0,004 | NS |
| CM | 10 | 0,082 | 0,009 | ||||
| Vector 3SP | DEM | 10 | 0,080 | 0,006 | 0,002 | 0,004 | NS |
| CM | 10 | 0,078 | 0,010 |
N Sample number, SD Standard deviation, Diff Difference, NS Not significant. Significance set at p < 0.05 and based on unpaired Student's t test