TABLE 3.
Face shield spatter
| Control | HVE | RD and HVE | PROTO | PROTO and HVE | AA | AA and HVE | ISO | ISO and HVE | ReLeaf | ReLeaf and HVE | VAC8 | VAC15 | VAC15 and HVE | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control | 0.3786 | 0.9998 | 0.0026* | 0.0004* | 0.9998 | 0.1321 | 0.9763 | 0.7908 | 1 | 0.1321 | <0.0001* | 0.5879 | 0.8974 | |
| HVE | 0.3786 | 0.9078 | 0.8065 | 0.455 | 0.9078 | 1 | 0.9958 | 1 | 0.455 | 1 | 0.1719 | 1 | 0.9998 | |
| RD and HVE | 0.9998 | 0.9078 | 0.0367* | 0.0076* | 1 | 0.6074 | 1 | 0.9981 | 1 | 0.6074 | 0.0013* | 0.9799 | 0.9998 | |
| PROTO | 0.0026* | 0.8065 | 0.0367* | 1 | 0.0367* | 0.9799 | 0.1407 | 0.396 | 0.0038* | 0.9799 | 0.9981 | 0.6074 | 0.2692 | |
| PROTO and HVE | 0.0004* | 0.455 | 0.0076* | 1 | 0.0076* | 0.8065 | 0.0367* | 0.1407 | 0.0006* | 0.8065 | 1 | 0.2692 | 0.0832 | |
| AA | 0.9998 | 0.9078 | 1 | 0.0367* | 0.0076* | 0.6074 | 1 | 0.9981 | 1 | 0.6074 | 0.0013* | 0.9799 | 0.9998 | |
| AA and HVE | 0.1321 | 1 | 0.6074 | 0.9799 | 0.8065 | 0.6074 | 0.9078 | 0.9958 | 0.1719 | 1 | 0.455 | 0.9998 | 0.9799 | |
| ISO | 0.9763 | 0.9958 | 1 | 0.1407 | 0.0367* | 1 | 0.9078 | 1 | 0.9888 | 0.9078 | 0.0076* | 0.9998 | 1 | |
| ISO and HVE | 0.7908 | 1 | 0.9981 | 0.396 | 0.1407 | 0.9981 | 0.9958 | 1 | 0.8531 | 0.9958 | 0.0367* | 1 | 1 | |
| ReLeaf | 1 | 0.455 | 1 | 0.0038* | 0.0006* | 1 | 0.1719 | 0.9888 | 0.8531 | 0.1719 | <0.0001* | 0.6694 | 0.9368 | |
| ReLeaf and HVE | 0.1321 | 1 | 0.6074 | 0.9799 | 0.8065 | 0.6074 | 1 | 0.9078 | 0.9958 | 0.1719 | 0.455 | 0.9998 | 0.9799 | |
| VAC8 | <0.0001* | 0.1719 | 0.0013* | 0.9981 | 1 | 0.0013* | 0.455 | 0.0076* | 0.0367 | <0.0001* | 0.455 | 0.0832 | 0.0196* | |
| VAC15 | 0.5879 | 1 | 0.9799 | 0.6074 | 0.2692 | 0.9799 | 0.9998 | 0.9998 | 1 | 0.6694 | 0.9998 | 0.0832 | 1 | |
| VAC15 and HVE | 0.8974 | 0.9998 | 0.9998 | 0.2692 | 0.0832 | 0.9998 | 0.9799 | 1 | 1 | 0.9368 | 0.9799 | 0.0196 | 1 |
Note: RD with HVE (RD and HVE), PROTO with additional HVE line (PROTO and HVE), AA with additional HVE line (AA and HVE), ISO with additional HVE line (ISO and HVE), ReLeaf with additional HVE line (ReLeaf and HVE), Vac Station 8 cm away from mouth (VAC8), VacStation 15 cm away from mouth (VAC15), Vac Station 15 cm away from mouth plus HVE line (VAC15 and HVE). *Denotes statistically significant difference.
Abbreviations: HVE, high‐volume evacuation; RD, rubber dam; PROTO, Prototype 3D printed lip retractor with internal suction and funnel; AA, Aerosol Away external vacuum device; Iso, IsoVac; ReLeaf, ReLeaf.