Baseline 3 months6 months
Plaque Index
Control group 0.88 ± 0.03 0.26 ± 0.06a 0.26 ± 0.05a
Experimental group 0.81 ± 0.06 0.35 ± 0.03a 0.37 ± 0.04a
Gingival Bleeding Index
Control group 0.59 ± 0.05 0.32 ± 0.04a 0.33 ± 0.05a
Experimental group 0.61 ± 0.05 0.26 ± 0.04a 0.32 ± 0.04a

aStatistically significant difference from baseline (Wilcoxon Signed Ranks test, P < 0.05).