Various authors have reported the presence of Legionella spp. in dental unit waterlines with prevalence rates reaching, in some cases, 69.7% In order to evaluate the association between occupational exposure to Legionella and risk of infection, anti-Legionella spp. antibodies were measured in 88 dental assistants, 44 of which exposed and 44 not exposed to dental environments. Antibody levels > 1:128 were considered positive for infection. Relative risk was found to be 3.5 (p<0.01). These results confirm the hypothesis that workers in dental health-care settings are at occupational risk for Legionella infection. It is essential, therefore, that surveillance of microbiological quality of dental waterlines be implemented and appropriate disinfection procedures performed where necessary.

[Assessment of occupational risk of Legionella spp. infection among dental health-care personnel] / Napoli, Christian; Tatò, Daniela; Iatta, Roberta; Montagna, Maria Teresa. - In: IGIENE E SANITÀ PUBBLICA. - ISSN 0019-1639. - 63:6(2007), p. 683-9.

[Assessment of occupational risk of Legionella spp. infection among dental health-care personnel]

NAPOLI, CHRISTIAN;
2007

Abstract

Various authors have reported the presence of Legionella spp. in dental unit waterlines with prevalence rates reaching, in some cases, 69.7% In order to evaluate the association between occupational exposure to Legionella and risk of infection, anti-Legionella spp. antibodies were measured in 88 dental assistants, 44 of which exposed and 44 not exposed to dental environments. Antibody levels > 1:128 were considered positive for infection. Relative risk was found to be 3.5 (p<0.01). These results confirm the hypothesis that workers in dental health-care settings are at occupational risk for Legionella infection. It is essential, therefore, that surveillance of microbiological quality of dental waterlines be implemented and appropriate disinfection procedures performed where necessary.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/833407
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