Table 2.
Mean and standard deviation values of fracture resistance (N) of the groups.
| n | Mean ± S (N) | |
|---|---|---|
| Group 1 | 20 | 236.077 ± 34.84a |
| Group 2 | 20 | 494.381 ± 49.64d |
| Group 3 | 20 | 466.704 ± 55.03c |
| Group 4 | 20 | 323.500 ± 49.82b |
Groups with different superscript letter are significantly different from each other (p < 0.05).