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An Evaluation of Two Systems for the Management of the Microbiological Quality of Water in Dental Unit Waterlines: Hygowater ® and IGN Calbénium ®

Author

Listed:
  • Damien Offner

    (INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine (RNM), FMTS, F-67000 Strasbourg, France
    Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 rue Ste Elisabeth, F-67000 Strasbourg, France
    Pôle de Médecine et Chirurgie Bucco-Dentaires, Hôpitaux Universitaires de Strasbourg (HUS), 1 Place de l’Hôpital, F-67000 Strasbourg, France)

  • Anne-Marie Musset

    (INSERM (French National Institute of Health and Medical Research), UMR 1260, Regenerative Nanomedicine (RNM), FMTS, F-67000 Strasbourg, France
    Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 rue Ste Elisabeth, F-67000 Strasbourg, France
    Pôle de Médecine et Chirurgie Bucco-Dentaires, Hôpitaux Universitaires de Strasbourg (HUS), 1 Place de l’Hôpital, F-67000 Strasbourg, France)

Abstract

Water in dental unit waterlines (DUWL) represents a risk for vulnerable patients if its microbiological quality is not controlled. The aim of this prospective study was to evaluate two systems for its management under real conditions: Hygowater ® and IGN Calbenium ® . Samples of the output water of DUWL were obtained for 5 previously contaminated units connected to Hygowater ® , and 5 non-contaminated units connected to IGN Calbenium ® , which was already effective for more than 1 year, as a control group. Samples were regularly collected up to 6 months after the implementation of Hygowater ® , and were then cultured and analyzed. With IGN Calbenium ® , except for a technical problem and a sample result in one unit at 6 months (Heterotrophic Plate Count (HPC) at 37 °C of 66 colony forming units (cfu)/mL), the results showed an absence of contamination. Hygowater ® took a couple of weeks to be effective on initially contaminated DUWL (over 200 cfu/mL for all the units), then showed its efficacy for 2 months (HPC at 37 °C with a mean of 40.2 ufc/mL, and HPC at 22 °C with a mean of 0.2 ufc/mL). At 6 months, results were satisfactory for HPC at 22 °C (mean of 12 ufc/mL), but HPC at 37 °C gave non-satisfactory results for 4 of the 5 units (mean of 92.2 ufc/mL). Both systems have an effect on the microbiological quality of DUWL. IGN Calbenium ® appears to be more reliable on a long-term basis.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:10:p:5477-:d:558612
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    References listed on IDEAS

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    1. Damien Offner & Gabriel Fernandez De Grado & Marion Strub & Laure Belotti & Stéphanie Deboscker & Anne-Marie Musset, 2020. "Mobile Dental Delivery System: An Effective Protocol for Hygiene and Disinfection," IJERPH, MDPI, vol. 17(5), pages 1-11, March.
    2. 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.
    3. 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.
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