Table 2 Comparison of facial dimension variable to investigate the swelling in the three surgical techniques
Paired t test (P value) | Conventional rotary instrument | Laser | Piezosurgery | Swelling | |||
|---|---|---|---|---|---|---|---|
S.D | Mean | S.D | Mean | S.D | Mean | ||
0.647 | 43.0 | 22.386 | 1.905 | 38.662 | 1.892 | 38.657 | Before surgery |
0.117 | 33.0 | 38.993 | 1.99 | 988/38 | 1.879 | 38.852 | After surgery |
0.0001 | 34.0 | 61.398 | 2.022 | 39.80 | 1.884 | 40.75 | Day 2 after surgery |
0.128 | 39.0 | 38.829 | 1.939 | 38.899 | 1.924 | 38.991 | Day 7 after surgery |