Hydrogel

Adhesive force (N) ± SD (skin)

Adhesive force (N) ± SD (dentin)

Work of adhesion (N cm) ± SD (skin)

Work of adhesion (N cm) ± SD (dentin)

Gel 1

1.15 ± 0.40

1.09 ± 0.35

3.35 ± 0.48

2.92 ± 0.34

Gel 2

1.07 ± 0.25

1.17 ± 0.42

3.19 ± 0.52

3.49 ± 0.42

Gel 3

0.97 ± 0.30

0.99 ± 0.40

2.85 ± 0.41

2.94 ± 0.29

Gel 4

1.10 ± 0.34

1.09 ± 0.24

3.31 ± 0.31

3.38 ± 0.31

Gel 5

1.08 ± 0.28

1.11 ± 0.26

3.49 ± 0.31

3.35 ± 0.28

Gel 6

0.89 ± 0.45

0.96 ± 0.41

2.55 ± 0.46

2.98 ± 0.21

Gel 7

1.12 ± 0.29

1.23 ± 0.30

3.48 ± 0.46

3.81 ± 0.28