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. 2023 Feb 6;18(2):848–856. doi: 10.1016/j.jds.2023.01.027

Table 2.

Differences in microhardness, roughness, and overlay thickness between groups after 4, 7, and 14 days of immersion.

Group
C
S
B
R
Mean ± SD Mean ± SD Mean ± SD Mean ± SD P value Tukey's pairwise comparison
Microhardness
4 days 30.48 ± 4.33 25.88 ± 4.35 35.11 ± 4.06 39.00 ± 5.41 <.0001∗ R = B > C > S
7 days 27.28 ± 2.59 29.66 ± 3.64 24.98 ± 3.37 31.16 ± 2.34 <.0001∗ R>C = B, R = S, S = C, S > B
14 days 24.13 ± 5.31 22.88 ± 2.96 21.77 ± 2.81 26.16 ± 2.98 0.0045 R = C, R > S > B, C = S = B
Roughness
4 days 1.60 ± 0.25 1.37 ± 0.21 1.43 ± 0.19 1.54 ± 0.11 0.0641 NS
7 days 0.87 ± 0.57 1.46 ± 0.34 2.17 ± 0.41 1.92 ± 0.51 <.0001∗ R = B, R = S, B > S > C, R > C
14 days 1.57 ± 0.28 3.07 ± 0.52 3.69 ± 1.13 1.50 ± 0.36 <.0001∗ B = S > R = C
Overlay thickness
4 days 0.80 ± 0.12 0.65 ± 0.09 1.04 ± 0.17 <.0001∗ R>S > B
7 days 2.29 ± 0.28 2.47 ± 0.67 2.86 ± 0.42 0.0402 R = B, S = B, R > S
14 days 2.92 ± 0.36 2.97 ± 0.29 3.55 ± 0.44 0.0022 R > S = B

C, Control group; S, Sensodyne®; B, BioRepair®; R, REALCaP®; SD, standard deviation; ∗, statistical significance (P < 0.05); NS, no significant difference.