Table 2.
Average detected particles under different test conditions.
| DEVICE |
ACTIVITY |
AVERAGE OF PARTICULATE MATTER, μm |
AVERAGE μg/m3 OF TOTAL SUSPENDED PARTICLES |
|||
|---|---|---|---|---|---|---|
| 1 | 2.5 | 4 | 10 | |||
| Microscope and Drape | Preoperative | 2.72 | 3.87 | 5.68 | 8.75 | 14.93 |
| Microscope and Drape | Aerosol | 20.68 | 35.64 | 58.28 | 83.77 | 106.91 |
| Microscope and Drape | Aerosol/HVE∗ | 8.18 | 13.07 | 20.48 | 29.49 | 36.66 |
| Microscope and Drape | Aerosol/HVE/extraoral suction device | 4.03 | 6.07 | 9.02 | 12.55 | 16.86 |
| FaceShield | Preoperative | 3.12 | 4.66 | 7.13 | 11.3 | 19.13 |
| FaceShield | Aerosol | 61.15 | 118.23 | 243.68 | 558.16 | 740.66 |
| FaceShield | Aerosol/HVE | 21.95 | 39.81 | 74.02 | 134.57 | 243.86 |
| Face Shield | Aerosol/HVE/extraoral suction device | 9.45 | 15.94 | 28.41 | 61.5 | 139.64 |
∗
HVE: High-volume evacuator.