Priming the tooth surface with chlorhexidine and antibacterial activity of resin cement

Table 4 Distribution of bacteria isolated in the control group at baseline, 5 and 13 wk

Time	Bacteria (control group)			Bacteria (test group)
	Anaerobic	Gram-negative	Rod-shaped	Anaerobic	Gram-negative	Rod-shaped
Baseline	45%	31%	28%	29%	29%	42%
5 wk	40%	25%	35%	38%	25%	45%
13 wk	57%	61%	72%	15%	20%	35%
2	6.022	2.091	5.412	10.171	5.021	6.118
P value	0.089	0.0211	0.098	0.081	0.285	0.192

¹Association is significant by χ² analysis (P < 0.05).