Table 2.
Mean and standard deviation (SD) of marginal and internal gaps (μm) for each group (n = 12).
| Gapd | ORM |
TRM |
SRM |
Pc | |||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| MG | 81.1 | 53.2 | 68.3 | 44.8 | 90.3 | 57.7 | 0.101 |
| CG | 100.0 | 60.3 | 83.1 | 53.3 | 101.8 | 64.2 | 0.218 |
| AG | 84.9a | 48.1 | 96.9b | 53.3 | 89.1ab | 45.5 | 0.023 |
| OG | 173.3a | 49.7 | 122.8b | 42.0 | 135.3b | 53.7 | <0.001 |
| Total | 109.8 | 64.6 | 92.8 | 47.5 | 104.1 | 58.3 | 0.131 |
a.b Different letters indicate a significant difference between the three groups based on the Bonferroni-corrected Mann–Whitney U test.
c Analyzed by the nonparametric Kruskal–Wallis H test.
dMG = marginal gap; CG = chamfer gap; AG = axial wall gap; OG = occlusal gap.