Table 4.
Disinfectant | Disinfection | Cell viability | ||
---|---|---|---|---|
<30 sec | 60 sec | <30 sec | 60 sec | |
Bleach | ||||
5% | − | − | + | − |
10% | − | + | + | − |
20% | − | + | − | − |
Ethanol 70o | − | + | + | − |
Initial anti-b | <10 min − |
>15 min + |
<10 min + |
>15 min − |
Final anti-b (X4, X2, X1) |
10 min − |
30, 20, 10 min + |
10 min + |
30, 20, 10 min +++ |
DTT | Whole tissue + |
Cut tissue + |
Whole tissue + |
Cut tissue + |
For cell viability: −, ≤ 40%; +, 41–60%; +++, >81% of cells in field of view (×400 magnification). For disinfection: −, infected with bacteria; +, no bacteria present. Anti-b, antibiotic solution