TABLE 1.

Total viable counts and proportions of each species at 216 h in biofilms^a

Organism	Run 1			Run 2			Run 3			Mean %
	CFU/mm2	SD	% of total CFU	CFU/mm2	SD	% of total CFU	CFU/mm2	SD	% of total CFU
N. subflava	3.4 × 107	1.2 × 107	25.7	7.8 × 107	5.9 × 107	45.3	3.4 × 107	1.2 × 107	16.4	29.1
A. naeslundii	7.1 × 106	1.1 × 106	5.4	4.1 × 106	1.5 × 106	2.4	7.1 × 107	1.1 × 107	34.2	14
V. dispar	3.5 × 106	1.5 × 106	2.6	3.1 × 107	9.2 × 106	18	3.5 × 106	1.5 × 106	1.7	7.4
S. sanguis	4 × 107	1 × 107	30.3	2 × 107	5.2 × 106	11.6	4 × 107	1 × 107	19.3	20.4
S. mutans	4.8 × 107	1.5 × 107	36	1.8 × 107	6.1 × 106	10.4	4.8 × 107	1.5 × 107	23	23.1
S. oralis	1.1 × 105	3.7 × 104	0.1	2.2 × 107	9.3 × 106	12.6	1.1 × 107	3.7 × 106	5.5	6.1

^aThe biofilms were formed during three separate runs (the number of biofilms per run was 4).