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

Table 2 Distribution and bacteria isolated at control and test sites at baseline, 5 and 13 wk n (%)

	Baseline		5 wk		13 wk
	Control	Test	Control	Test	Control	Test
Actinomycesnaeslundii FG+veR	3 (3.9)	-	-	-	1 (1.7)	1 (1.6)
Actinomycesviscosus FG+veR	2 (2.6)	-	-	-	1 (1.7)	1 (1.6)
Bifidobacterium spp FG+veR	4 (5.2)	3 (7.1)	2 (4)	2 (3.6)	1 (1.7)	3 (4.9)
Clostridium spp FG+veR	-	-	7 (14)	6 (11.3)	-	-
Diphtheroid bacilli AG+veR	2 (2.6)	4 (9.5)	2 (4)	2 (3.6)	3 (5.3)	1 (1.6)
Escherichia coli FG-veR	-	-	1 (2)	2 (3.6)	-	-
Eubacterium spp FG+veR1	1 (1.3)	-	-	2 (3.6)	-	-
Fusobacteriumnucleatum AnG-veR1	2 (2.6)	-	3 (6)	4 (7.5)	8 (14.2)	-
Haemophilus spp FG-veR	10 (13.1)	3 (7.1)	4 (8)	2 (3.6)	5 (8.9)	3 (4.9)
Coagulase-negative Staphylococci FG+veC	2 (2.6)	2 (4.7)	2 (4)	1 (1.8)	-	4 (6.5)
Neisserria spp AG-veC	8 (10.5)	2 (4.7)	2 (4)	2 (3.6)	1 (1.7)	-
Peptostreptococcus AnG+veC	5 (6.5)	-	-	-	-	-
Porphyromonasgingivalis AnG-veR1	-	-	-	-	2 (3.2)	-
Prevotellaintermedia AnG-veR1	1 (1.3)	1 (2.3)	1 (2)	1 (1.8)	8 (14.2)	-
Propionibacteriumgranulosum FG+veR	-	1 (2.3)	-	-	-	-
Staphylococcus aureus FG+veC	2 (2.6)	1 (2.3)	3 (6)	7 (13.2)	-	2 (3.2)
Veillonellaparvula AnG-veC1	1 (1.3)	1 (2.3)	3 (6)	1 (1.8)	10 (17.8)	1 (1.6)
Streptococci AG-veC	25 (32.8)	15 (35.7)	15 (30)	19 (35.8)	11 (19.6)	39 (63.9)
Campylobacter rectus FG-veR	6 (7.8)	4 (9.5)	3 (6)	-	4 (7.1)	2 (3.2)
Treponemadenticola AnG-veC1	1 (1.3)	2 (4.7)	1 (2)	1 (1.8)	-	-
Gemella spp FG+veC	-	-		-	-	2 (3.2)
Filifactoralocis FG+veR	1 (1.3)	3 (7.1)	1 (2)	1 (1.8)	1 (1.7)	2 (3.2)
Total (n)	76	42	50	53	56	61
P value	0.595		0.895		0.0062

¹Periodontally suspected bacteria;

²Association is significant by χ² analysis (P < 0.05). A_nG_-veC: Anaerobic gram-negative cocci; AG_-veC: Aerobic gram-negative cocci; A_nG_-veR: Anaerobic gram-negative rods; FG_-veR: Facultative gram-negative rods; A_nG_+veC: Anaerobic gram-positive cocci; FG_+veC: Facultative gram-positive cocci; FG_+veR: Anaerobic gram-positive rods; FG_+veR: Facultative gram-positive rods; AG_+veR: Aerobic gram-positive rods.