Table 1.
Frequency of Streptococcus mutans colonization in the population studied.
| Cohort | N | Positive for S. mutans colonization | |
|---|---|---|---|
| Argentina | Caries-free | 24 | 10 |
| Caries-affected | 74 | 48 | |
|
| |||
| Guatemala | Caries-free | 26 | 9 |
| Caries Affected | 83 | 39 | |
|
| |||
| Turkey | Caries Free | 85 | 18 |
| Caries Affected | 90 | 68 | |
|
| |||
| Dental registry and DNA repository (DRDR) | Caries Free | 28 | 24 |
| Caries Affected | 638 | 471 | |
|
| |||
| Cariology course | Caries Free | 2 | 1 |
| Caries Affected | 156 | 123 | |
|
| |||
| Center for oral health disparities in appalachia (COHRA) DNA from saliva | Caries Free | 21 | 11 |
| Caries Affected | 23 | 20 | |
|
| |||
| Center for oral health disparities in appalachia (COHRA) DNA from blood | Caries Free | 44 | 12* |
| Caries Affected | 130 | 114* | |
*As determined by the use of Dentocult SM Strip mutans (North Bay/BioScience, LCC; Traverse City, MI, USA) assessed from saliva of the same subjects.