Table 5

Micro- organisms	Patients Groups	Overall			Initial PPD > 4 mm
Micro- organisms	Patients Groups	Baseline	3 months	6 months	Baseline	3 months	6 months
Pg	Control	7.36 ± 2.29	2.63 ± 0.72^a	1.39 ± 0.44^a	7.97 ± 0.24	3.04 ± 0.98^a	1.68 ± 0.57
Pg	Experimental	5.44 ± 1.37	3.28 ± 0.82^a	2.49 ± 0.65^a	5.97 ± 1.27	2.98 ± 0.81^a	3.22 ± 0.89^a
Tf	Control	4.20 ± 1.57	0.75 ± 0.28	0.83 ± 0.24	4.39 ± 1.64	0.95 ± 0.42	1.01 ± 0.27
Tf	Experimental	4.26 ± 0.83	1.77 ± 0.49	1.22 ± 0.50	4.78 ± 0.96	1.53 ± 0.52	1.81 ± 0.63
Td	Control	3.03 ± 1.54	0.88 ± 0.23	0.74 ± 0.38	2.86 ± 1.48	0.99 ± 0.34	1.01 ± 0.56
Td	Experimental	4.15 ± 0.79	1.75 ± 0.59	1.54 ± 0.43^a	4.12 ± 0.82	2.17 ± 0.75	2.27 ± 0.61

^aStatistically significant difference from baseline (Wilcoxon Signed Ranks test, P < 0.05).
Pg = Porphyromonas gingivalis; Tf = Tannerella forsythia; Td = Treponema denticola.