Table 1.
Parameter and results of PLD and DAD
| Patients serial no. | Duration of distraction (number of days) | Rate of distraction (mm/day) | Distal displacement of canines (mm/day) | Angular changes in canines (degree) | Angular change in first molars (degree) | Anchorage loss in molars (mm) | Results obtained from vitality tests of canine | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PLD | DAD | PLD | DAD | PLD | DAD | PLD | DAD | PLD | DAD | PLD | DAD | PLD | DAD | |
| 1 | 15 | 13 | 0.48 | 0.58 | 7.28 | 7.55 | 19 | 15.5 | 3.0 | 3.0 | 0.0 | 0.75 | NR | NR |
| 2 | 17 | 13 | 0.38 | 0.51 | 6.55 | 6.70 | 8.5 | 11.5 | 2.0 | 0.0 | 1.5 | 1.0 | NR | NR |
| 3 | 15 | 12 | 0.41 | 0.53 | 6.12 | 6.36 | 16 | 16 | 1.0 | 0.5 | 1.75 | 1.75 | NR | 3.2 |
| 4 | 17 | 16 | 0.36 | 0.40 | 6.10 | 6.41 | 24 | 19.5 | 0.0 | 0.0 | 0.5 | 0.0 | NR | NR |
| 5 | 17 | 18 | 0.46 | 0.50 | 7.90 | 9.08 | 10 | 15 | 1.0 | 2.5 | 1.5 | 0.0 | 2.7 | NR |
| 6 | 14 | 13 | 0.51 | 0.55 | 7.10 | 7.12 | 15.5 | 13.5 | 2.0 | 0.5 | 1.0 | 2.0 | NR | 4.2 |
| 7 | 13 | 13 | 0.38 | 0.38 | 4.96 | 5.00 | 2.5 | 10 | 0.5 | 2.0 | 0.5 | 0.5 | NR | NR |
| 8 | 15 | 18 | 0.46 | 0.39 | 6.99 | 7.02 | 24 | 18 | 0.0 | 1.0 | 0.5 | 0.75 | 4.0 | 3.0 |
| Mean | 15.38 | 14.50 | 0.43 | 0.48 | 6.63 | 6.91 | 14.94 | 14.88 | 1.19 | 1.19 | 0.91 | 0.84 | ||
| SD | 1.51 | 2.45 | 0.05 | 0.08 | 0.90 | 1.16 | 7.58 | 3.15 | 1.41 | 1.16 | 0.63 | 0.73 | ||
| P value | 0.404 | 0.162 | 0.599 | 0.983 | 1.00 | 0.857 | ||||||||
| Significance | Not Significant | Not Significant | Not Significant | Not Significant | Not Significant | Not Significant | ||||||||
SD standard deviation, PLD periodontal ligament distraction, DAD dento alveolar distraction, NR no response