30 June 2015
Contamination in dental unit water lines
Potentially pathogenic bacteria, such as: Pseudomonas aeruginosa and Legionella pneumophila, have been isolated in dental unit water lines.
Potentially pathogenic bacteria, such as: Pseudomonas aeruginosa and Legionella pneumophila, have been isolated in dental unit water lines. They are invisible enemies that are easier to eliminate with the consistent use of the right method rather than with harsh products.
The problem of contamination in dental unit water lines was first reported in 1963 by Dr. G.C.Blake, after the installation of high-speed handpieces. Checks were made easier by the fact that in those times dental units were not fed by a cooling system connected to water mains; handpieces were directly connected to a water tank that was separated from the rest of the system.
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