| Impression material | p-value | |||||
---|---|---|---|---|---|---|---|
Alginate | Addition silicone | Condensation silicone | |||||
F | % | F | % | F | % | ||
Voids in finish line | Â | Â | Â | Â | Â | Â | Â |
Yes | 59 | 81.9 | 3 | 4.2 | 10 | 13.9 | 0.000 |
No | 25 | 26.9 | 31 | 33.3 | 37 | 39.8 | Â |
Bubbles in finish line | Â | Â | Â | Â | Â | Â | Â |
Yes | 70 | 61.4 | 13 | 11.4 | 31 | 27.2 | 0.000 |
No | 14 | 27.5 | 21 | 41.2 | 16 | 31.4 | Â |
Tear in finish line | Â | Â | Â | Â | Â | Â | Â |
Yes | 16 | 55.2 | 5 | 17.2 | 8 | 27.6 | 0.848 |
No | 68 | 50.0 | 29 | 21.3 | 39 | 28.7 | Â |
Tissue over finish line | Â | Â | Â | Â | Â | Â | Â |
Yes | 6 | 31.6 | 5 | 26.3 | 8 | 42.1 | 0.191 |
No | 78 | 53.4 | 29 | 19.9 | 39 | 26.7 | Â |
Pull or fold in finish line | Â | Â | Â | Â | Â | Â | Â |
Yes | 22 | 40.7 | 9 | 16.7 | 23 | 42.6 | 0.020 |
No | 62 | 55.9 | 25 | 22.5 | 24 | 21.6 | Â |
Gingival retraction | Â | Â | Â | Â | Â | Â | Â |
Adequate | 2 | 14.3 | 11 | 78.6 | 1 | 7.1 | 0.000 |
Inadequate | 82 | 55.8 | 20 | 13.6 | 45 | 30.6 | Â |
Supragingival finish line | 0 | 0.0 | 3 | 75.0 | 1 | 25.0 | Â |
Total impressions with errors in the finish line | Â | Â | Â | Â | Â | Â | Â |
Yes | 84 | 55.3 | 24 | 15.8 | 44 | 28.9 | 0.000 |
No | 0 | 0.0 | 10 | 76.9 | 3 | 23.1 | Â |
Retention of material to tray | Â | Â | Â | Â | Â | Â | Â |
Adequate | 78 | 49.7 | 34 | 21.7 | 45 | 28.7 | 0.308 |
Inadequate | 6 | 75.0 | 0 | 0.0 | 2 | 25.0 | Â |
Voids in preparation area | Â | Â | Â | Â | Â | Â | Â |
Yes | 31 | 67.4 | 4 | 8.7 | 11 | 23.9 | 0.016 |
No | 53 | 44.5 | 30 | 25.2 | 36 | 30.3 | Â |
Bubbles in preparation area | Â | Â | Â | Â | Â | Â | Â |
Yes | 35 | 61.4 | 7 | 12.3 | 15 | 26.3 | 0.084 |
No | 49 | 45.4 | 27 | 25.0 | 32 | 29.6 | Â |
Tray show through preparation area | Â | Â | Â | Â | Â | Â | Â |
Yes | 20 | 95.2 | 0 | 0.0 | 1 | 4.8 | 0.000 |
No | 64 | 44.4 | 34 | 23.6 | 46 | 31.9 | Â |
Poor detailed impressions | Â | Â | Â | Â | Â | Â | Â |
Yes | 5 | 50.0 | 1 | 10.0 | 4 | 40.0 | 0.633 |
No | 79 | 51.0 | 33 | 21.3 | 43 | 27.7 | Â |
Total impressions with errors in the preparation area | Â | Â | Â | Â | Â | Â | Â |
Yes | 58 | 65.2 | 9 | 10.1 | 22 | 24.7 | 0.000 |
No | 26 | 34.2 | 25 | 32.9 | 25 | 32.9 | Â |
Blood in impression | Â | Â | Â | Â | Â | Â | Â |
Yes | 69 | 80.2 | 11 | 12.8 | 6 | 7.0 | 0.000 |
No | 15 | 19.0 | 23 | 29.1 | 41 | 51.9 | Â |