Methicillin-resistant Staphylococcus aureus (MRSA) among dental patients: a problem for infection control in dentistry? |
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| Authors: | Melanie Zimmerli Andreas F Widmer Marc Dangel Andreas Filippi Reno Frei Jürg Meyer |
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| Institution: | (1) Department of Oral Surgery, Oral Radiology and Oral Medicine, School of Dental Medicine, University of Basel, Basel, Switzerland;(2) Hospital Epidemiology, University Hospital Basel, Basel, Switzerland;(3) Laboratory of Diagnostic Bacteriology, University Hospital Basel, Basel, Switzerland;(4) Institute of Preventive Dentistry and Oral Microbiology, School of Dental Medicine, University of Basel, Hebelstrasse 3, 4056 Basel, Switzerland; |
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| Abstract: | We assessed the frequency of carriers of methicillin-resistant Staphylococcus aureus (MRSA) among 500 dental patients of a university clinic. From each participant, two specimens were taken from the anterior
nares and the pharynx and analysed by culture. The participants completed a questionnaire on possible risk factors of MRSA
infection. Two hundred ten individuals carried S. aureus, 90 in the nares only, 51 in the throat only and 69 in nares and throat. Isolates of 208 patients were methicillin-sensitive;
two isolates were methicillin-resistant, both carried in the throat exclusively. In conclusion, the frequency of nasal and/or
throat carriers of MRSA among dental patients was low and suggests few opportunities of exposure in the dental clinic assessed. |
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