Organism Plaque Saliva Dorsum
of
Tongue
S. mutans 1
0-50
1 1
S. sanguis 1 30-40 10-20
5-15
S. mitis 1 30-40 30-40 10-20
S. salivarius 1 1 40-60 40-60
Lactobacilli 2
0-0.04
0-1 0-2
Veillonella 2
1-3
5-10 10-15
1 Data expressed as % of
streptococcal flora
2 Data expressed as % of total flora