Table 3.
Results of 3-point bending tests
| Measured variables | MD between retrieved-new (N) | 95% CI | p-value |
|---|---|---|---|
| 1 mm activation | −0.06 | (−0.15, 0.02) | 0.152 |
| 2 mm activation | −0.03 | (−0.10, 0.05) | 0.499 |
| 3 mm activation | |||
| Anterior segment | −0.18 | (−0.29, −0.07)* | 0.002 |
| Posterior segment | −0.76 | (−0.99, −0.53)* | < 0.001 |
| 3.1 mm activation | |||
| Anterior segment | −0.20 | (−0.31, −0.09)* | < 0.001 |
| Posterior segment | −0.75 | (−0.98, −0.52)* | < 0.001 |
| Bending modulus | |||
| Anterior segment | −2.67 | (−4.11, −1.22)* | < 0.001 |
| Posterior segment | −0.67 | (−3.83, −0.94)* | 0.023 |
Mean difference (MD) of measurements and 95% confidence interval (CI) of the difference between retrieved and new specimens (defined as the measurement on the retrieved minus the measurement on the new).
*Statistically significant at 0.05 level.