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Table 5 Mean and standard deviation (SD) of SBS values (MPa) and the statistical comparisons of PEKK groups

From: Comparing the shear bond strength of veneering materials to the PAEKs after surface treatments

Veneer Material

ILC

LDC

 

Surface Treatment

Mean/ SD

Tukey HSD*

Mean/ SD

Tukey HSD*

t-Test**

Cnt

11.49 ± 1.48

a

7.57 ± 1.16

a

p < 0.001

Pls

15.31 ± 2.44

b

8.99 ± .73

ab

p < 0.001

Sa

17.04 ± 1.99

b

10.13 ± .77

bc

p < 0.001

Sb

16.56 ± 1.65

b

11.47 ± .97

cd

p < 0.001

Tbc

16.19 ± 1.83

b

11.37 ± 1.49

cd

p < 0.001

Sb + Sa

16.45 ± 2.39

b

11.87 ± 1.65

d

p < 0.001

Tbc + Sa

10.84 ± 1.27

a

10.83 ± 1.47

cd

p = 0.992

  1. *Multiple comparisons between surface treatment groups for each veneer material are shown as letters, and values having the same letters are not significantly different for the Tukey HSD test (p > 0.05)
  2. ** Pairwise comparisons of the same surface treatment applied ILC and LDC veneer materials, according to the independent sample t-Test