Table 1.

SPECIES CODE NUMBERS AND SOURCE OF STRAINS USED IN THE STUDY

SPECIES	STRAIN	ORIGIN	SOURCE
Streptococcus oralis
1	ATCC 35037T	Human Mouth	American Type Culture Collection (ATCC)
2	NCTC 114127	Human Mouth	National Collection of Type Cultures (NCTC)
3	SK100	Human Dental Plaque	Dr. Mogens Kilian, Aarhus, Denmark
4	ABA 68		Dr. David Beighton, London, U.K.
5	DBA 1		“
6	DBC 20		“
7	HBA 57		“
8	S2C 45a		“
9	SRC 9-2b
10	SZA 11-2		“
11	SZC 44		“
12	SZC 50		“
13	MKA 36		“
14	MKA 61		“
15	MA 7	Human Dental Plaque	Dr. G. Svensatter, Malmo, Sweden
16	QB 5	Human Dental Plaque	“
17	RA 1	Human Dental Plaque	“
18	TA 16	Human Dental Plaque	“
Streptococcus mitis
19	NCTC 12261T	Human Mouth	National Collection of Type Cultures (NCTC)
20	SK145	Human Mouth	Dr. Mogens Kilian, Aarhus, Denmark
21	SK137	Human Dental Plaque	Dr. Mogens Kilian, Aarhus, Denmark
22	SK95	Human Mouth	Dr. Mogens Kilian, Aarhus, Denmark
23	CBR 393	Human Mouth	Own isolate, Georgetown University
24	CBR 515	Human Mouth	“
25	CBR 1495	Human Mouth	“
26	CBR 1516	Human Mouth	“
27	JA	Human Mouth	“
28	JC	Human Mouth	“
29	JD	Human Mouth	“
30	JF	Human Mouth	“
31	JG	Human Mouth	“
32	JI	Human Mouth	“
33	JJ	Human Mouth	“
34	JK	Human Mouth	“
Streptococcus gordonii 35	SK120	Human Mouth	American Type Culture Collection (ATCC)
Enterococcus casseliflavus 36	ATCC 12818	Human Gingiva	American Type Culture Collection (ATCC)
Enterococcus faecalis 37	ATCC 4082	Human Tooth Root Canal	American Type Culture Collection (ATCC)
Enterococcus faecalis 38	ATCC 19433		American Type Culture Collection (ATCC)