Microbiologic Comparison of Dental Handpieces 2. Aerosol Decay and Dispersion

Author:

Hausler W.J.1,Madden Richard M.1

Affiliation:

1. State Hygienic Laboratory and Department of Preventive Medicine and Environmental Health, College of Medicine, Department of Operative Dentistry, College of Dentistry, University of Iowa, Iowa City, Iowa

Abstract

SYNOPSIS IN INTERLINGUA COMPARATION MICROBIOLOGIC DE DENTAL PECIAS DE MANO: DECOMPOSITION E DISPERSION DE PARTICULAS DE AEROSOL.-Esseva construite un simulate situation de operationes dental in le qual le ventilation e le dilution aeree poteva esser regulate pro le objectivo de studiar le effecto de aerosol producite per pecias de mano propulsionate (1) per corregia e (2) per turbina a aere. Un frescamente extrahite tertie molar esseva montate in un dispositivo de cauchu attachate al appoio-capite del sede operatori. Illo esseva equipate con un cophino de cauchu e un adjustate suspension de Serratia marcescens. Placas de Petri sin copertura e collectores de specimens de aere del typo Andersen esseva arrangiate in un configuration semi-circular o linear relative al dente montate. Durante le uso del pecia de mano a propulsion per corregia, practicamente nulle particulas de aerosol continente le organismo indicatori esseva detegite. Tamen, le numero de nucleos de guttetta in le ordine de magnitude de approximativemente 5μ o minus-un magnitude capace a penetrar ad in le spatios alveolar-accresceva con le distantia ab le dente, durante que le numero total de particulas de aerosol declinava con le accrescentia de ille distantia.

Publisher

SAGE Publications

Subject

General Dentistry

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