Table 1 Half-life and clearance of radioactivity at 30, 60, 90 and 120 min from periodontal pockets
From: Assessment of the half-life of cationic periodontal pocket irrigation
Patient No | Depth (mm) | T½ (min) | Clearance at 30 min (%) | Clearance at 60 min (%) | Clearance at 90 min (%) | Clearance at 120 min (%) |
|---|---|---|---|---|---|---|
1 | 7 | 30.00 | 50.70 | 69.50 | 81.20 | 88.30 |
2 | 7 | 35.00 | 45.80 | 67.90 | 81.00 | 88.70 |
3 | 8 | 24.00 | 58.70 | 79.70 | 90.00 | 95.10 |
4 | 8 | 8.00 | 88.70 | 98.40 | 99.80 | 100.00 |
5 | 7 | 15.00 | 65.40 | 83.20 | 91.80 | 96.00 |
6 | 9 | 40.00 | 40.40 | 55.30 | 66.50 | 74.90 |
7 | 6 | 14.70 | 73.60 | 92.30 | 97.80 | 99.40 |
8 | 6 | 25.00 | 56.20 | 76.10 | 87.00 | 92.90 |
9 | 6 | 4.70 | 97.40 | 99.90 | 100.00 | |
10 | 6 | 20.00 | 60.70 | 80.90 | 90.70 | 95.50 |
11 | 8 | 17.30 | 67.30 | 86.20 | 94.10 | 97.50 |
12 | 8 | 8.70 | 76.60 | 91.80 | 97.20 | 99.00 |
13 | 7 | 20.00 | 59.50 | 77.00 | 86.90 | 92.50 |
14 | 6 | 36.00 | 40.60 | 54.00 | 64.40 | 72.50 |
15 | 6 | 7.30 | 87.10 | 97.50 | 99.50 | 99.90 |
16 | 6 | 20.00 | 60.80 | 79.70 | 89.50 | 94.60 |
17 | 6 | 21.00 | 60.80 | 82.10 | 91.80 | 96.30 |
18 | 7 | 11.20 | 92.20 | 99.40 | 100.00 | |
19 | 6 | 32.30 | 73.10 | 93.10 | 98.20 | 99.50 |
20 | 7 | 16.80 | 85.90 | 98.20 | 99.80 | 100.00 |
Mean ± SD | 6.85 ± 0.93 | 20.3 ± 10.2 | 67.1% ± 16.9 | 83.1% ± 13.9 | 90.4% ± 10.4 | 93.39% ± 8.0 |