Airborne bacterial contamination of dental surgeries (n=51) during dental sessions
| Airborne bacterial contamination (cfu/m3) | ||||
|---|---|---|---|---|
| Agar plates | Fungi | Blood agar plates3-150 | Staphylococci | |
| Positive samples (%) | 100 | 100 | 100 | 98 |
| Mean | 121 | 62 | 19 | 40 |
| SD | 69 | 51 | 12 | 33 |
| Median | 106 | 49 | 15 | 39 |
| Minimum | 39 | 2 | 1 | 3 |
| Maximum | 350 | 180 | 65 | 200 |
↵3-150 Six air samples (11.8%) contained group A β-haemolyticstreptococci.