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J Dent Res 49(2): 315-319, 1970
© 1970 International and American Associations for Dental Research
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Reduction of Microbial Concentration in the Air of Dental Operating Rooms: I. High-Efficiency Particulate Air Filters

GEORGE B. PELLEU JR. 1, WILLIAM B. SHREVE 1, and L. W. WACHTEL 1

1 Naval Dental School, National Naval Medical Center, Bethesda, Maryland 20014

The effect of high-efficiency particulate air (HEPA) filters in reducing the microbial concentration in the air of dental operating rooms was determined. By use of slit-type air samplers, it was found that different activities created concentrations varying from 3 to 185 viable particles/cu ft. Air filtration with HEPA filters in an 800 cu ft/minute blower-filter module significantly reduced these concentrations.

Submitted on January 10, 1969






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