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| One way ANOVA | ||||||
| Sample | Numbers | Mean square ± standard deviation | Min | Max | F value | P value |
| acrylic resin | 9 | 59.22 ± 4.02 | 52.00 | 64.00 | 22.916 | 0.001 |
| acrylic resin with TiO2=0.5% | 9 | 61.77 ± 6.81 | 53.00 | 72.00 | ||
| acrylic resin with TiO2= 1% | 9 | 79.16 ± 5.68 | 72.00 | 87.00 | ||
| acrylic resin with TiO2=2% | 9 | 65.88 ± 5.34 | 59.00 | 73.00 | ||
