Table 4.

Bacterial colony counts according to groups and tooth surface

		Group I		Group II
Bacterial colony count (CFU)	Tooth surface	N	Mean ± SE	N	Mean ± SE	p-value
S. mutans	Occlusal/incisal	18	31394 ± 9194	16	10381 ± 6066	0.999
	Smooth surface	12	33358 ± 12489	14	14821 ± 8148	0.985
	p-value	–	0.302	–	0.530	–
Lactobacillus	Occlusal/incisal	18	19533 ± 6839	16	11637± 6386	0.883
	Smooth surface	12	26992 ± 11435	14	4357 ± 1096	0.885
	p-value	–	0.834	–	0.162	–
Total	Occlusal/incisal	18	50928 ± 8273	16	22019 ± 7984	0.880
	Smooth surface	12	60350 ± 11625	14	19179 ± 7755	0.996
	p-value	–	0.076	–	0.017