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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
Pocket
Depth
(mm)
T½ (min)Clearance at
30 min (%)
Clearance at
60 min (%)
Clearance at
90 min (%)
Clearance at 120 min (%)
1730.0050.7069.5081.2088.30
2735.0045.8067.9081.0088.70
3824.0058.7079.7090.0095.10
488.0088.7098.4099.80100.00
5715.0065.4083.2091.8096.00
6940.0040.4055.3066.5074.90
7614.7073.6092.3097.8099.40
8625.0056.2076.1087.0092.90
964.7097.4099.90100.00 
10620.0060.7080.9090.7095.50
11817.3067.3086.2094.1097.50
1288.7076.6091.8097.2099.00
13720.0059.5077.0086.9092.50
14636.0040.6054.0064.4072.50
1567.3087.1097.5099.5099.90
16620.0060.8079.7089.5094.60
17621.0060.8082.1091.8096.30
18711.2092.2099.40100.00 
19632.3073.1093.1098.2099.50
20716.8085.9098.2099.80100.00
Mean ± SD6.85 ± 0.9320.3 ± 10.267.1% ± 16.983.1% ± 13.990.4% ± 10.493.39% ± 8.0
  1. T½: half-life of clearance