Table 3.
Mean values obtained from three gingival retraction systems with relation to time taken, vertical retraction and horizontal retraction
| Parameters/retraction systems | N | Mean | SD | Minimum | Maximum |
|---|---|---|---|---|---|
| Time taken | |||||
| Stay-put | 20 | 215.1 s | 37.44 s | 135 s | 285 s |
| Expasyl | 20 | 75.15 s | 17.95 s | 45 s | 110 s |
| Magic foam cord | 20 | 79.75 s | 18.36 s | 45 s | 112 s |
| Vertical Retraction | |||||
| Stay-put | 20 | 1.0655 mm | 0.3851 mm | 0.42 mm | 2.17 mm |
| Expasyl | 20 | 0.484 mm | 0.195 mm | 0.17 mm | 1 mm |
| Magic foam cord | 20 | 0.8645 mm | 0.3029 mm | 0.33 mm | 1.42 mm |
| Horizontal Retraction | |||||
| Stay-put | 20 | 0.233 mm | 0.082 mm | 0.15 mm | 0.40 mm |
| Expasyl | 20 | 0.151 mm | 0.069 mm | 0.05 mm | 0.29 mm |
| Magic foam cord | 20 | 0.199 mm | 0.085 mm | 0.03 mm | 0.35 mm |
N number of abutments, SD standard deviation, s seconds, mm millimeters