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The DUWL Outbreak in Orange County

Back in 2016, more than 60 children were diagnosed with confirmed or probable mycobacterial infections in Anaheim, California, after becoming infected with serious oral cellulitis, following dental pulpotomies performed at the same dental clinic. The microorganism in question was Mycobacterium abscessus, which…

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New Dental Water Quality Law Takes Effect Jan 1, 2019 – California Dental Regulations

In September, the Governor signed Senate Bill 1491 into law, which among other things, makes it unprofessional conduct for a dentists to “use water, or other methods used for irrigation, that are not sterile or that do not contain recognized…

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California Governor Signs Law to Increase DUWL Requirements – California Dental Regulation

On September 19, 2017, Governor Brown in California signed Assembly Bill (AB) 1277 into law, which requires the Dental Board of California (DBC) to amend the regulations on the minimum standards for infection control to require water or other methods…

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The Importance of Dental Unit Waterline Maintenance – Infection Control

Documented Infection Transmission from DUWLs In April 2016, twenty pediatric dental patients had to be hospitalized due to infection transmission of Mycobacterium abscessus from contaminated dental unit water used during pulpotomies. And from March-August 2016, 58 pediatric patients became infected…

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Controling Biofilm in Dental Unit Waterlines – Infection Control

Biofilms are microbial communities that form on the walls of the small-bore plastic tubing that delivers water from the dental unit through the dental handpieces, scalers, and air-water syringes to the patient. Currently, no quantitative water quality standards specific to…

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