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Efficacy of BRS ® and Alpron ® /Bilpron ® Disinfectants for Dental Unit Waterlines: A Six-Year Study

Author

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  • Alexandre Baudet

    (Faculty of Dentistry, University of Lorraine, 54505 Vandœuvre-lès-Nancy, France
    Department of Dentistry, University Hospital, 54000 Nancy, France
    These authors contributed equally to this work (first co-authors).)

  • Julie Lizon

    (Department of Hygiene and Environmental Analysis, University Hospital, 54505 Vandœuvre-lès-Nancy, France
    These authors contributed equally to this work (first co-authors).)

  • Jean-Marc Martrette

    (Faculty of Dentistry, University of Lorraine, 54505 Vandœuvre-lès-Nancy, France
    Department of Dentistry, University Hospital, 54000 Nancy, France
    EA 3450 DevAH, University of Lorraine, 54505 Vandœuvre-lès-Nancy, France)

  • Frédéric Camelot

    (Dental Private Practice, 88300 Neufchateau, France)

  • Arnaud Florentin

    (Department of Hygiene and Environmental Analysis, University Hospital, 54505 Vandœuvre-lès-Nancy, France
    Faculty of Medicine, University of Lorraine, 54505 Vandœuvre-lès-Nancy, France
    EA 4360 APEMAC, University of Lorraine, 54505 Vandœuvre-lès-Nancy, France
    These authors contributed equally to this work (last co-authors).)

  • Céline Clément

    (Faculty of Dentistry, University of Lorraine, 54505 Vandœuvre-lès-Nancy, France
    Department of Dentistry, University Hospital, 54000 Nancy, France
    These authors contributed equally to this work (last co-authors).)

Abstract

Biofilms in dental unit waterlines (DUWL) are a potentially significant source of contamination posing a significant health risk as these may come into contact with patients and dental staff during treatment. The aim of this study was to evaluate the microbiological quality of DUWL water treated by Biofilm-Removing-System ® (BRS ® ) and Alpron ® /Bilpron ® disinfectant solutions for six years in a French university hospital. The microbiological quality of water supplied by 68 dental units—initially shock treated with BRS ® , then continuously treated by Alpron ® with sterile water during working days and Bilpron ® during inactivity period, and combined with purging every morning and after each patient—was assessed biannually during six years for total culturable aerobic bacteria at 22 °C and 36 °C, Legionella sp., Pseudomonas aeruginosa , and total coliforms. A total of 628 samples were analyzed, 99.8% were compliant with extended microbiological levels, and we never detected pathogen bacteria like Legionella sp. and P. aeruginosa . Only one sample (0.2%) was noncompliant with the level of total culturable aerobic bacteria at 36 °C, which exceeded 140 colony forming units per mL. The protocol implemented in our university hospital gives excellent results and enables control of the microbiological quality of DUWL water in the long term.

Suggested Citation

  • Alexandre Baudet & Julie Lizon & Jean-Marc Martrette & Frédéric Camelot & Arnaud Florentin & Céline Clément, 2020. "Efficacy of BRS ® and Alpron ® /Bilpron ® Disinfectants for Dental Unit Waterlines: A Six-Year Study," IJERPH, MDPI, vol. 17(8), pages 1-9, April.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:8:p:2634-:d:344506
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    References listed on IDEAS

    as
    1. Erica Leoni & Laura Dallolio & Francesca Stagni & Tiziana Sanna & Giovanni D'Alessandro & Gabriela Piana, 2015. "Impact of a Risk Management Plan on Legionella Contamination of Dental Unit Water," IJERPH, MDPI, vol. 12(3), pages 1-15, February.
    2. Savina Ditommaso & Monica Giacomuzzi & Elisa Ricciardi & Carla M. Zotti, 2016. "Efficacy of a Low Dose of Hydrogen Peroxide (Peroxy Ag + ) for Continuous Treatment of Dental Unit Water Lines: Challenge Test with Legionella pneumophila Serogroup 1 in a Simulated Dental Unit Waterl," IJERPH, MDPI, vol. 13(7), pages 1-10, July.
    3. Alexandre Baudet & Julie Lizon & Jean-Marc Martrette & Frédéric Camelot & Arnaud Florentin & Céline Clément, 2019. "Dental Unit Waterlines: A Survey of Practices in Eastern France," IJERPH, MDPI, vol. 16(21), pages 1-8, November.
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    Cited by:

    1. Maria Antoniadou & Anestis Intzes & Christos Kladouchas & Iliana Christou & Stavroula Chatzigeorgiou & Martha Plexida & Valantis Stefanidakis & Ioannis Tzoutzas, 2023. "Factors Affecting Water Quality and Sustainability in Dental Practices in Greece," Sustainability, MDPI, vol. 15(11), pages 1-23, June.
    2. Damien Offner & Anne-Marie Musset, 2021. "An Evaluation of Two Systems for the Management of the Microbiological Quality of Water in Dental Unit Waterlines: Hygowater ® and IGN Calbénium ®," IJERPH, MDPI, vol. 18(10), pages 1-12, May.

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