Table 2 Median shear bond strength (N) of PD and GIC on enamel and dentin with Kruskal-Wallis test results.

From: A comparative study of polydopamine vs. glass ionomer cement for adhesion mechanisms on enamel and dentin using SEM and shear bond strength evaluation

Group

Median (Q1, Q3)

Kruskal-Wallis test statistic

p-value

EP (Enamel and PD)

12.32 (7.58, 17.88)

24.32

< 0.001*

DP (Dentin and PD)

9.16 (8.29, 10.85)

  

EG (Enamel and GIC)

5.29 (3.74, 6.19)

  

DG (Dentin and GIC)

4.29 (3.19, 5.14)

  
  1. (*p < 0.001 is statistically significant).
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