Whitening Efficacy of 3% Carbamide Peroxide Gel Activated by Lactoperoxidase

Table 2

Plaque index, gingival index, and potential hydrogen of the treatment group (n = 19) and the control group (n = 19).

	Treatment	Control
Data in mean ± standard deviation
PIbaseline value	0.56 ± 0.45	0.37 ± 0.34	0.16
ΔPI	−0.24 ± 0.47	−0.25 ± 0.25	0.14
GIbaseline value	0.45 ± 0.31	0.17 ± 0.19	0.01
ΔGI	−0.25 ± 0.30	−0.13 ± 0.13	0.13
pHbaseline value	6.83 ± 0.35	6.87 ± 0.4	0.77
ΔpH	0.04 ± 0.51	0.18 ± 0.3	0.40

 < 0.05 (t-test): treatment group vs. controls.