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J Epidemiol Glob Health. 2018 Dec;8(3-4):143-148. doi: 10.2991/j.jegh.2017.10.004.

Evaluation of the Cell Phone Microbial Contamination in Dental and Engineering Schools: Effect of Antibacterial Spray.

Author information

1
Kerman Dental and Oral Diseases Research Center, Kerman University of Medical Sciences, Kerman, Iran.
2
Oral Health Research Center, Kerman University of Medical Sciences, Kerman, Iran.
3
Department of Pediatric Dentistry, Dental School, Kerman University of Medical Science, Kerman, Iran.
4
Department of Operative Dentistry, Dental School, Kerman University of Medical Science, Kerman, Iran.
5
Department of Microbiology, Medical School, Kerman University of Medical Science, Kerman, Iran.
6
Department of Oral Medicine, Dental School, Kerman University of Medical Science, Kerman, Iran.

Abstract

INTRODUCTION:

The aim of this study was to evaluate the microbial contamination of cell phone in dental and engineering schools and also investigating the effect of an antibacterial spray.

METHOD AND MATERIALS:

A questionnaire was completed by participants, including the pattern of using mobile phones and their disinfection. The number of participants was 120 students and professors in each of dental and engineering schools. Swabs from mobile phones of the participants were taken and plated on culture medium. The t-test, Chi-Square with the SPSS 11.5 program were used in data analysis.

RESULTS:

In total, 240 mobile phones were cultured for microorganisms, while 65.8% (n = 158) were culture-positive. One hundred percent of professors, 98% of students' dental school and 72% of professors and 62% of students of engineering, believe that mobile can serve as a source of pathogens.

The most commonly cultured organisms were Staphylococcus Aureus, Escherichia coli, Enterococcus Faecalis, and Pseudomonas. The current study showed that none of the mobile phones of the professors and students of the engineering university was infected by Pseudomonas and Candida albicans.

CONCLUSION:

The results of this study showed that mobile phones may act as an important source of nosocomial pathogens.

KEYWORDS:

Evernet spray; Mobile phones; bacterial contamination; nosocomial pathogens

PMID:
30864755
DOI:
10.2991/j.jegh.2017.10.004

Conflict of interest statement

No conflicts of interest.

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