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. 2021 Oct 30;13(21):3761. doi: 10.3390/polym13213761

Table 5.

Results of the change in displacement of the zirconia and PEEK crowns.

Displacement (mm2) Material p Value
Zirconia PEEK
Mean (SD) Median (IQR) Mean (SD) Median (IQR)
Control 0.73 (0.05) 0.72 (0.06) 1.90 (0.18) 1.90 (0.20) <0.001 *
Thermocycled (T) 0.45 (0.11) 0.44 (0.14) 1.49 (0.09) 1.48 (0.11) <0.001 *
Thermocycled + Worn (T + W) 0.70 (0.09) 0.70 (0.09) 1.39 (0.08) 1.39 (0.11) <0.001 *
Friedman Test (p value) <0.001 * <0.001 *

SD = standard deviation, IQR = interquartile range. * Significant differences at p value < 0.05.