TABLE 1. Studies included related to the efficacy of the NaOCl and CHX against E. faecalis .
| Studies (ref.) | n | IET | Baseline infection types | E. faecalis before RCP | Irrigants | E. faecalis after RCP | ||
|---|---|---|---|---|---|---|---|---|
| PCR | Culture | PCR | Culture | |||||
| Willian, el al.(29) | 29 | >5 years | primary (n=l5) | 2 (13.3%) | 1 (6.6%) | 1% NaOCI | 3 (20%) | 0 (0%) |
| secondary (n=14) | 6 (42.8%) | 2(14.2%) | 8 (57.1%) | 1 (7.1%) | ||||
| Zerella, et al.(30) | 40 | - | secondary | 8 (20%) | - | 1% NaOCI | - | 0 (0%) |
| Ferrari, et al.(7) | 25 | - | primary | - | 4 (16%) | 0.5% NaOCI | - | 0 (immediately) (0%) |
| + Endo PTC | 11 (after 7 days) (44%) | |||||||
| Peciuliene, et. al.(17) | 40 | 5-10 years | secondary | - | 21 (52.5%) | 2.5% NaOCI | - | 6 (15%) |
| Peciuliene, et al.(18) | 25 | - | secondary | 14 (56%) | 2.5% NaOCI | - | 5 (20%) | |
| Total | 159 | - | - | 16(10%) | 42 (26.4%) | - | 11 (6.9%) | 12 (7.5%) |
(n - number of samples, IET-initial endodontic treatment, RCP – root canal preparation)