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Table 1 The mean time dependent ΔE00 values and standard deviations calculated by descriptive statistics of the specimens finished with different methods and stored in distilled water

From: Assessing staining resistance of a CAD/CAM interpenetrating network composite material

∆E00 HT Control HT Technical HT Clinical HT Glaze
HT Groups
 24 h 0,71 ± 0,34 ab 0,69 ± 0,14 a 0,52 ± 0,15 b, * 1,53 ± 1,31 a
 7 days 0,97 ± 0,39 ab 0,78 ± 0,23 a 1,25 ± 0,21 b, * 1,40 ± 0,97 ab
 28 days 0,80 ± 0,38 a 0,51 ± 0,28 b, * 0,36 ± 0,13 b, * 1,67 ± 0,73 c
∆E00 T Control T Technical T Clinical T Glaze
T Groups
 24 h 0,55 ± 0,14 A, * 0,90 ± 0,21 B, * 0,90 ± 0,22 B, * 0,93 ± 0,43 B
 7 days 0,76 ± 0,29 A, * 0,68 ± 0,17 A, * 0,67 ± 0,29 A, * 0,78 ± 0,29 A
 28 days 1,31 ± 0,61 A, * 1,38 ± 0,22 A, * 1,31 ± 0,24 A, * 1,59 ± 0,55 A, *
  1. Different superscript let ters indicate statistically significant differences in the same line according to Kruskal-Wallis and Mann-Whitney U tests (p < 0.05). Additionally, the group marked with * statistically different from other groups in same column according to Friedman and Wilcoxon tests (p < 0.05)