Table 3.

Test microorganisms

Microorganisms	Source	Morphotype
Staphylococcus aureus	ATCC 25923	Gram-positive cocci
Streptococcus ß haemolyticus	ATCC 10556	Gram-positive cocci
Enterococcus faecalis	ATCC 29212	Gram-positive cocci
Escherichia coli	ATCC 25922	Gram-negative bacilli
Pseudomonas aeruginosa	ATCC 27853	Gram-negative bacilli
Peptostreptococcus sp.	NCTC 9821	Gram-positive cocci
Bacteroides fragilis	ATCC 35406	Gram-negative bacilli
Lactobacillus casei	ATCC 393	Gram-positive bacilli
Veillonella parvula	ATCC 10790 0211122101011810MATERIAL	Gram-negative cocci

ATCC, American type culture collection; NCTC, national culture type collection