Table 3. The Mean Counts of Periodontopathogens in Microbial Cultures in Terms of Time Intervals and Treatment Groups .

Group	Bacteria	Before*	After*	Mean Difference*	P Value (Wilcoxon)
Laser	A. actinomycetemcomitans	1.12 ± 0.86	0.61 ± 0.62	-0.51 ± 0.85	0.061
	P. gingivalis	1.68 ± 1.50	1.03 ± 1.44	-0.64 ± 0.90	0.015
	P. intermedia	1.27 ± 1.11	0.65 ± 1.19	-0.62 ± 1.35	0.091
	T. denticola	0.48 ± 0.55	0.28 ± 0.44	-0.20 ± 0.46	0.26
	T. forsythia	0.31 ± 0.55	0.15 ± 0.27	-0.16 ± 0.57	0.481
Laser + EmunDo	A. actinomycetemcomitans	0.91 ± 0.80	0.47 ± 0.64	‏-0.44 ± 0.64	0.022
	P. gingivalis	1.42 ± 1.49	0.70 ± 0.99	‏-0.72 ± 1.49	0.050
	P. intermedia	1.04 ± 1.30	0.39 ± 0.58	‏-0.65 ± 1.59	0.182
	T. denticola	0.53 ± 0.63	0.21 ± 0.46	‏-0.32 ± 0.71	0.085
	T. forsythia	0.43 ± 0.55	0.14 ± 0.24	‏-0.29 ± 0.55	0.038