Frequency evaluation of Pseudomonas SPP contamination in the dental unit water line system at Mashhad dental school

Contamination of a Dental Unit Water Line System by Legionella Pneumophila in the Mashhad School of Dentistry in 2009

BACKGROUND Dental unit waterline system is considered potential source for contamination with Legionella species. The aim of this study was to determine if contamination of a dental unit water line system by Legionella pneumophila serogroup1 in the Mashhad School of Dentistry occurred in 2009. METHODS A total of 52 dental units were selected from all clinical departments of the Mashhad School...

contamination of a dental unit water line system by legionella pneumophila in the mashhad school of dentistry in 2009

Multiple approaches to control dental unit water line biofilm contamination

Biofilms form rapidly on dental unit waterlines. The specific design of dental units favors bacteria to colonize surfaces and to form biofilm in water supply tubes, including dental unit water line (DUWL). The majority of the organisms in the biofilm are harmless environmental species, but some dental units may harbour opportunistic respiratory pathogens. Microbiological control of dental unit ...

Evaluation of Bacterial Contamination in Dental Unit Water Lines in Zahedan in 2016-2017

Background & Aim: Due to a constant contact of dentists and patients with water and aerosols generated from the dental units, the quality of dental unit waters is very important. This study aimed to evaluate bacterial contamination of dental unit water lines in Zahedan in 2016-2017. Methods: In this descriptive analytical study, 2304 water samples from four parts of unit including cup filler, ...

microbiological evaluation of dental unit water at dental offices and dental school in the city of babol

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evaluation of bacterial contamination in dental unit waterlines of qazvin’ dental school ,iran

conclusions flushing dental unit waterlines are an effective measure in reducing the number of bacterial contaminants. results bacterial contamination was found in all 24 units at the beginning of daily activity with a mean colony count of 17850. the number of colonies decreased to 3250 following 30 seconds of flushing in 16 units and later to 1837 after flushing for two minutes in 13 units. in...