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Journal of Dental Materials and Techniques، جلد ۷، شماره ۲، صفحات ۷۸-۸۲
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عنوان انگلیسی Evaluation of microbial contamination of mobile phones and computer mice and keyboards in a dental school
چکیده انگلیسی مقاله Introduction: Mobile phones and computers are a reservoir of growth and transmission of microorganisms. This study aimed to evaluate the microbial contamination of computers and mobile phones used by students of an academic dental school, compared to the students of a non-medical school. Methods: Sampling was performed on 44 computers and 45 mobile phones in a dental school (test) and a non-medical school (control). Samples were obtained from the Enter and Backspace keys of keyboards, the left-click button of computer mice and touch-screen of mobile phones. Afterwards, the samples were cultured, followed by colony count. Results: The most frequently detected microbes were coagulase-negative Staphylococci, Bacillus and Micrococcus. In computer samples, pathogenic bacteria including Staphylococcus aureus and Klebsiella, were found only in the samples of the dental school. Staphylococcus aureus and Micrococcus were significantly more prevalent in the test group. Microorganisms belonging to human normal flora (e.g., Bacillus, Entrococcus, Corynebacterium, and Tetragenococcus) were significantly more prevalent in computers of the control group. In terms of the frequency of pathogenic bacteria found on mobile phones, no significant difference was observed between the study groups. Conclusion: The prevalence of normal human flora was higher in the control group (non-medical) relative to the test group (dental). Meanwhile, pathogenic bacteria were more prevalent in the samples of the dental school. Also, computers were more contaminated than mobile phones. Hygiene promotion programs should be implemented in both dental and non-medical schools.  
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نویسندگان مقاله | Taraneh Movahhed
Assistant Professor of Pediatric Dentistry, Dental Materials Research Center, Mashhad University of Medical Sciences, Mashhad, Iran


| Mahboobe Dehghani
Assistant Professor of Orthodontics, Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran


| Tayyebeh Ghoddusi
Student of dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
نشانی اینترنتی http://jdmt.mums.ac.ir/article_10515.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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