Table 3.
Mean, SD, and p-values of translucency
| Sample | Control (C) | 2.5%NZ (X) | 5%NZ (Y) | 7.5%NZ (Z) |
|---|---|---|---|---|
| Max | 13.89 | 4.02 | 2.38 | 2.53 |
| Min | 12.02 | 3.20 | 1.85 | 1.62 |
| Mean ± SD | 12.93±0.653a | 3.505±0.245b | 2.097±0.147c | 2.023±0.321c |
| 95% CI | 12.46–13.40 | 3.33–3.68 | 1.99–2.20 | 1.79–2.25 |
| p-value | – | v/s C=0.000 | v/s C=0.000 | v/s C=0.000 |
| – | – | v/s X=0.000 | v/s X=0.000 | |
| – | – | – | v/s Y=0.564 |
Notes: One-way ANOVA and a paired sample t-test (p<0.05) indicate differences among nano-ZrO2 concentrations as shown by differences in superscripts letter horizontally; same letters indicate no significant difference.
Abbreviations: C, unreinforced heat-polymerized acrylic resin; 2.5%NZ, 2.5 wt% nano-ZrO2 reinforced heat-polymerized acrylic resin; 5%NZ, 5 wt% nano-ZrO2 reinforced heat-polymerized acrylic resin; 7.5%NZ, 7.5 wt% nano-ZrO2 reinforced heat-polymerized acrylic resin.