Table 2: Frequency and percentage of bond failure type.

Group # Cohesive Fracture of the Material Adhesive Fracture Cohesive Fracture of Dentin
N % N % N %
1 8 66.67 3 25 1 8.33
2 8 66.67 2 16.67 2 16.67
3 9 75 2 16.67 1 8.33
4 4 33.33 7 58.33 1 8.33
5 3 25 8 66.67 1 8.33
6 4 33.33 7 58.33 1 8.33