Research Article
Sulfate-Reducing Bacteria: Biofilm Formation and Corrosive Activity in Endodontic Files
Table 2
Distribution of the samples in relation to the methodological applications of microbiological evaluation.
| Sample | Immersion time (days) | Replica of original culture | SRB growth after reimmersion in culture medium | Replica of reimmersion culture |
| UEF-3 | 445 | Negative | Not performed | Not performed | UEF-4 | 452 | Positive | Positive | Positive | UEF-2 | 459 | Negative | Positive | Positive | UEF-1 | 459 | Negative | Reduction of culture medium | Negative |
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