Table 1 Errors of impressions
| Â | F | % |
|---|---|---|
Type of error in the finish line | ||
Voids in finish line | 72 | 43.6 |
Bubbles in finish line | 114 | 69.1 |
Tear in finish line | 29 | 17.6 |
Tissue over finish line | 19 | 11.5 |
Pull or fold in finish line | 54 | 32.7 |
Inadequate gingival retraction | 147 | 89.1 |
Type of error in the preparation area | ||
Voids in preparation area | 45 | 28.3 |
Bubbles in preparation area | 54 | 34.0 |
Tray show through preparation area | 21 | 13.2 |
Poor details | 149 | 6.3 |
Inadequate retention of material to tray | 8 | 4.8 |
Blood in impression | 86 | 52.1 |