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http://dx.doi.org/10.5395/JKACD.2007.32.2.102

DETECTION OF METHICILLIN OR VANCOMYCIN-RESISTANT STAPHYLOCOCCUS AUREUS FROM DENTAL HOSPITAL  

Min, Jung-Hee (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Park, Soon-Nang (Department of Oral Biochemistry, College of Dentistry, Chosun University)
Hwang, Ho-Keel (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Min, Jung-Beum (Department of Conservative Dentistry, College of Dentistry, Chosun University)
Kim, Hwa-Sook (Department of Dental Hygiene, Chunnam Techno College)
Kook, Joong-ki (Department of Oral Biochemistry, College of Dentistry, Chosun University)
Publication Information
Restorative Dentistry and Endodontics / v.32, no.2, 2007 , pp. 102-110 More about this Journal
Abstract
The purpose of this study was to obtain the basic information for the improvement of dental environment by investigating the presence of methicillin- or vancomycin-resistant Staphylococcus aureus (MRSA or VRSA) isolated from dental health care workers (DHCWs) and environment of the Chosun University Dental Hospital (CUDH) and a private dental clinic (control group). Staphylococcus aureus (S. aureus) was isolated from anterior nares of 42 DHCWS and 38 sites, unit chairss, x-ray devices, computers, etc., at 10 departments of the CUDH and 20 DHCWs and 11 sites at the private dental clinic. S. aureus was isolated on mannitol salt agar plate and confirmed by PCR with S. aureus species-specific primer. Antimicrobial susceptibility test of clinical isolates of S. aureus against several antibiotics including methicillin (oxacillin) was performed by investigating minimum inhibitory concentration (MIC) using broth microdilution assay. In addition, PCR was performed to detect the methicillin- or vancomycin-resistant gene. The data showed that one strain of S. aureus was isolated from DHCWs of the CUDH and three strains of S. aureus was isolated from 3 samples of the private dental clinic, respectively. All of the isolates from the CUDH and the private dental clinic had resistance to penicillin G, amoxicillin and vancomycin and susceptibility to oxacillin and ciprofloxacin. The S. aureus strains were already obtained the resistance to penicillin G and amoxicillin. These results suggest that two dental clinics were under relatively safe environment.
Keywords
MRSA; VRSA; Minimum inhibitory concentration; PCR;
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