Table 2 Release of nickel in rectangular and round NiTi wires at different time points
From: Release of metal ions from round and rectangular NiTi wires
Time | Rectangular wire | Round wire | P value |
|---|---|---|---|
Mean ± SD | Mean ± SD | ||
1 h | 243 ± 4.2 | 221.4 ± 1.7 | 0.001 |
24 h | 319.4 ± 2.9 | 265.1 ± 2.7 | 0.001 |
1 week | 386.1 ± 3 | 324.2 ± 3.6 | 0.001 |
3 weeks | 410.6 ± 2.6 | 376 ± 3 | 0.001 |
P value | 0.001 | 0.001 | 0.001 |