TABLE 1.
Total number of bacteria and proportions of individual marker organisms recovered from sound approximal sites of caries-free and caries-active subjects
| Subjects | No. of microorganisms per samplea | % Of organisms recoveredb
|
|||
|---|---|---|---|---|---|
| Lactobacillus spp. | S. mutans | A. naeslundii | S. oralis | ||
| Caries free | |||||
| Mean ± SE | 6.07 ± 0.18 | 0.001 ± 0.001 | 0.018 ± 0.017 | 66.4 ± 8.4 | 19.4 ± 5.7 |
| Median | 6.10 | <0.001 | <0.001 | 71.8 | 8.7 |
| Caries active | |||||
| Mean ± SE | 6.39 ± 0.12 | 0.68 ± 0.59 | 0.93 ± 0.47 | 53.8 ± 18.9 | 5.2 ± 1.6 |
| Median | 6.20 | 0.009 | 0.003 | 49.5 | 3.6 |
a
Results are given as log10 (CFU per sample + 1).
b
Values are the percentages of total CFU per sample. Values in bold are significantly greater according to the Mann-Whitney U test (P < 0.05).