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Fig. 2 | BMC Oral Health

Fig. 2

From: Mitigating saliva aerosol contamination in a dental school clinic

Fig. 2

Aerosol spread to different locations in the operatory using HSH + SE + HSS with or without HVS. a Positions of dentist, assistant and patient during the mock dental procedure. The scheme corresponds to top and side views. Aerosol level at a total of 8 locations was measured. b Concentration of aerosol particles measured at different locations. HSH + SE + HSS without HVS (black bars) and with HVS (pink bars). The green bands correspond to the base line range measured before each experiment

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