From: Shear bond strength of metallic brackets bonded to enamel pretreated with Er,Cr:YSGG LASER and CPP-ACP
SBS mean ± SD
95% CI
Minimum–maximum
Group I
16.70 ± 5.63
14.07, 19.34
8.05–26.63
Group II
17.01 ± 1.30
13.49, 20.53
5.29–31.24
Group III
20.61 ± 7.88
16.81, 24.40
9.08–32.84
F of ANOVA
P value
F = 1.86
P = 0.17