Material

Adhesive Layer

Mean (%)

SD

Rank

P-value

ExciTE (Group A)

one layer (A1)

67

2.7

A

0.003^*

two layers (A2)

47.9

4.4

B

Nano-Bond (group B)

one layer (B1)

24.8

1.7

C

two layers (B2)

14.8

1.5

D