Table 4. Descriptive statistics and comparison with Paired T test of the pre and post wear of enamel antagonist against tested materials.
| Enamel against | SR | *Mean (SD) | Mean differences (SD) | 95% CI | Paired T-test P value | ANOVA P value | |
|---|---|---|---|---|---|---|---|
| Lower bound | Upper bound | ||||||
| MZ (n = 8) | Pre | 0.50 (0.24) | 0.49 (0.34) | .73 | .16 | .007 | .987 |
| Post | 0.95 (0.37) | ||||||
| LD (n = 8) | Pre | 0.42 (0.07) | 0.40 (0.21) | .58 | .22 | .001 | |
| Post | 0.82 (0.22) | ||||||
| CM (n = 8) | Pre | 0.47 (0.12) | 0.45 (0.44) | .83 | .08 | .024 | |
| Post | 0.93 (0.51) | ||||||
| CR (n = 8) | Pre | 0.36 (0.11) | 0.40 (0.44) | .77 | .02 | .039 | |
| Post | 0.76 (0.45) | ||||||
*Mean and standard deviation in micrometers (µm).