Objects within the flow pattern (hoses, trays) will contribute to turbulent airflow and expand the aerosol cloud.
Undisturbed one way air flow from a higher pressure to a negative pressure area is ideal.
The direction of air flow should be away from the operator and assistant.
The primary goal is to move a sufficient volume of air around a patient rapidly to eliminate splatter and aerosols.
Ideal Aerodynamics Around a Dental Patient


What is an Aerodynamic Device?

A disposable collecting device worn by a dental patient which has vertical flanges along the sides leading to a funnel shaped area which empties into a hose attached to an air handler.
Collecting Device
The principle goal is to help improve the efficiency of all commercially available air handler units in dentistry.
Principal
Goal
The device is preferably made of heavy weight waxed paper, low cost, and environmentally friendly.
Material
The device is shipped flat and folded to assemble and attach to the hose.
Assembly

“Protective Devices for Managing Aerodynamics around Dental Patients” patent application was filed May 14, 2020
The “Bernoulli effect” increases the velocity of airflow and decrease in air pressure to add to the negative air pressure created by the air handler