Annals of Tropical Medicine and Public Health
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Year : 2013  |  Volume : 6  |  Issue : 1  |  Page : 55-58

Frequency of biofilm formation in toothbrushes and wash basin junks

1 Department of Biosciences and Biotechnology, Kwara State University, Malete-Ilorin, Nigeria
2 Department of Microbiology, Federal University of Technology, Yola, Nigeria

Correspondence Address:
Abdulazeez A Abubakar
Department of Biosciences and Biotechnology, Kwara State University, Malete- Ilorin
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1755-6783.115198

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Background: Biofilms are known to be resistant to several antibiotics once they are allowed to form on any surface. Aim: To investigate the biofilm forming ability of some bacterial isolates in toothbrushes and wash basin junks. Materials and Methods: A total of 606 students of Federal University of Technology, Yola were provided with new toothbrushes, which were collected after 1 month of usage and screened for biofilm formation. Another 620 swabs were collected from the wash basins of Federal Medical Centre, Specialist Hospital, Federal University of Technology, and students' hostels in Yola and from some residence in Jimeta, Yola Metropolis; they were all screened for biofilm formation. Results: A total of 38.3% biofilm formation rate was recorded. Three types of bacterial isolates were identified in the biofilms of toothbrushes and wash basin junks, namely Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa at the prevalence rate of 48.0%, 29.1%, and 22.6%, respectively. Overall, 83.3% of the toothbrush biofilm were identified from female students, while 16.7% were from their male counterparts. Statistically, the frequency of biofilm formation showed a significant difference by gender (X 2 = 10.242, P < 0.05). However, frequency of biofilm formation in students' toothbrush had no association with age (X 2 = 1.0312, P > 0.05). Conclusion: This study identified three microorganisms namely S. aureus, E. coli, and P. aeruginosa that were involved in wash basin junk biofilm formation. The findings also showed that occurrence of biofilm in females' toothbrushes were significantly higher than in males' (X 2 = 10.242, P < 0.05).

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