Table 1. | Comparisons for in vitro mean retention values of G1 versus G2 measured in grams |
| Site | G1 (n = 18) | G2 (n = 18) |
t-test df = 34 |
P-valuea |
|---|---|---|---|---|
| Mean (SD) | Mean (SD) | |||
| Anterior | 1031.9 (19.9) | 841.3 (10.6) | 35.8 | 0.001 |
| Posterior | 921.8 (12.7) | 1208.1 (26) | 41.9 | 0.001 |
| Lateral | 824.4 (8.9) | 922.1 (35.3) | 11.4 | 0.001 |
| Central | 106.7 (41.6) | 1344.6 (46.2) | 19.4 | 0.001 |
aP statistically significant at level P < 0.05. Comparisons with independent t-test.
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