Legionella spp. in dental unit waterlines

To determine the current presence of Legionella spp. in the output water of dental unit waterlines (DUWLs) and examine its mitigation by disinfection at the Institute of Dentistry and Oral Sciences, Faculty of Medicine and Dentistry, Palacky University Olomouc and University Hospital Olomouc. The fi...

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Veröffentlicht in:Bratislava Medical Journal 2017, Vol.118 (5), p.310-314
Hauptverfasser: Sedlata Juraskova, E, Sedlackova, H, Janska, J, Holy, O, Lalova, I, Matouskova, I
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container_issue 5
container_start_page 310
container_title Bratislava Medical Journal
container_volume 118
creator Sedlata Juraskova, E
Sedlackova, H
Janska, J
Holy, O
Lalova, I
Matouskova, I
description To determine the current presence of Legionella spp. in the output water of dental unit waterlines (DUWLs) and examine its mitigation by disinfection at the Institute of Dentistry and Oral Sciences, Faculty of Medicine and Dentistry, Palacky University Olomouc and University Hospital Olomouc. The first stage of our survey involved collecting samples of DUWL output water from 50 dental chair units (DCUs), and 2 samples of the incoming potable water. In October 2015, a one-time disinfection (1 % Stabimed) of DUWLs was conducted. This was followed by collecting 10 control samples (survey stage 2). From the total of 50 samples (survey stage 1), 18 samples (36.0 %) tested positive for Legionella spp. Following the disinfection, nine of the ten samples no longer showed any presence of Legionella. Based on culture results, the one-time disinfection (1 % Stabimed) was effective. We are unable to comment on the duration of positive effect of disinfection on the occurrence of Legionella spp. in the outlet water. It was a one-time survey (Tab. 2, Ref. 32).
doi_str_mv 10.4149/BLL_2017_060
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The first stage of our survey involved collecting samples of DUWL output water from 50 dental chair units (DCUs), and 2 samples of the incoming potable water. In October 2015, a one-time disinfection (1 % Stabimed) of DUWLs was conducted. This was followed by collecting 10 control samples (survey stage 2). From the total of 50 samples (survey stage 1), 18 samples (36.0 %) tested positive for Legionella spp. Following the disinfection, nine of the ten samples no longer showed any presence of Legionella. Based on culture results, the one-time disinfection (1 % Stabimed) was effective. We are unable to comment on the duration of positive effect of disinfection on the occurrence of Legionella spp. in the outlet water. 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subjects Dental Equipment - microbiology
Disinfection - methods
Drinking Water - standards
Humans
Legionella - isolation & purification
Slovakia
Water Microbiology
title Legionella spp. in dental unit waterlines
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