Table 2.

Comparison of mean index values between different time intervals within each group

Index	Time period	Mean±SD			P
		Baseline	3 months	6 months
Plaque index	Group A	1.51±0.33	1.03±0.25	0.90±0.21	0.01*
	Group B	1.37±0.33	0.95±0.23	0.84±0.20	0.01*
Gingival index	Group A	1.33±0.30	0.72±0.23	0.86±0.20	0.01*
	Group B	1.30±0.27	0.74±0.24	0.85±0.17	0.01*
Probing pocket depth	Group A	6.90±0.87	5.70±1.25	5.40±0.51	0.01*
	Group B	7.60±1.50	5.90±1.28	5.00±0.94	0.01*
Relative attachment level	Group A	12.60±2.27	11.40±2.67	11.10±2.02	0.01*
	Group B	11.30±3.05	9.80±2.44	9.50±1.43	0.01*
Radiographic depth of defect	Group A	6.10±0.76	5.12±0.61	4.15±0.70	0.01*
	Group B	6.23±0.66	5.11±0.75	4.17±0.58	0.01*

*ANOVA, significant. SD: Standard deviation