Shear bond strength (mega Pascal) | Group I (control) (n = 20) | Group II (chemical aided debonding) (n = 20) | Group III (ultrasonic aided debonding) (n = 20) | Group IV (diode laser aided debonding) (n = 20) | Group V (Er:YAG laser aided debonding) (n = 20) | F (p) |
---|---|---|---|---|---|---|
Minimum | 4.66 | 5.81 | 4.70 | 5.87 | 6.94 | F = 6.277* (p = 0.0002*) |
Maximum | 26.69 | 23.77 | 18.34 | 17.97 | 15.20 | |
Mean | 14.99 | 14.25 | 11.17 | 11.13 | 9.39 | |
± SD | 6.35 | 4.65 | 3.51 | 2.95 | 2.23 | |
Median | 14.81 | 14.41 | 10.54 | 11.02 | 8.81 | |
IQR | 10.90–19.72 | 12.21–16.90 | 8.73–14.23 | 9.26–12.95 | 7.83–11.0 | |
p0 | 0.980 | 0.039* | 0.035* | 0.001* | ||
p1 | 0.148 | 0.138 | 0.004* | |||
Sig. bet. grps | p2 = 1.000, p3 = 0.664, p4 = 0.684 |