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Mansourian, A., Momen Beitollahi, J., Jabalameli, f, Tohidast akrad, Z., Basir Shabestari, S., Khorshidian, A., Bahmei, Z.. (1389). Detection and Quantification of Bacterial Flora in Dental Unit Water Systems and the Effect of Flushing on its Reduction. سامانه مدیریت نشریات علمی, 11(Supplement Winter 2010), 40-46. doi: 10.30476/dentjods.2019.43595
A. Mansourian; J. Momen Beitollahi; f Jabalameli; Z. Tohidast akrad; S. Basir Shabestari; A. Khorshidian; Z. Bahmei. "Detection and Quantification of Bacterial Flora in Dental Unit Water Systems and the Effect of Flushing on its Reduction". سامانه مدیریت نشریات علمی, 11, Supplement Winter 2010, 1389, 40-46. doi: 10.30476/dentjods.2019.43595
Mansourian, A., Momen Beitollahi, J., Jabalameli, f, Tohidast akrad, Z., Basir Shabestari, S., Khorshidian, A., Bahmei, Z.. (1389). 'Detection and Quantification of Bacterial Flora in Dental Unit Water Systems and the Effect of Flushing on its Reduction', سامانه مدیریت نشریات علمی, 11(Supplement Winter 2010), pp. 40-46. doi: 10.30476/dentjods.2019.43595
Mansourian, A., Momen Beitollahi, J., Jabalameli, f, Tohidast akrad, Z., Basir Shabestari, S., Khorshidian, A., Bahmei, Z.. Detection and Quantification of Bacterial Flora in Dental Unit Water Systems and the Effect of Flushing on its Reduction. سامانه مدیریت نشریات علمی, 1389; 11(Supplement Winter 2010): 40-46. doi: 10.30476/dentjods.2019.43595

Detection and Quantification of Bacterial Flora in Dental Unit Water Systems and the Effect of Flushing on its Reduction

Journal of Dentistry
مقاله 7، دوره 11، Supplement Winter 2010، آذر 2010، صفحه 40-46    اصل مقاله (72.13 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.30476/dentjods.2019.43595
نویسندگان
A. Mansourian1؛ J. Momen Beitollahi2؛ f Jabalameli3؛ Z. Tohidast akrad2؛ S. Basir Shabestari* 4؛ A. Khorshidian5؛ Z. Bahmei5
1c Dept. of Oral Medicine, School of Dentistry, Qazvin University of Medical Sciences, Qazvin, Iran d Dentist
2Dept. of Oral Medicine, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
3Dept, of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
4Dept. of Oral Medicine, School of Dentistry, Qazvin University of Medical Sciences, Qazvin, Iran
5Dentist
چکیده
Statement of Problem: The origin of Dental Unit Water Lines (DUWL) contamination is specially related to the formation of biofilm which is com­posed of microorganisms within water and is located on the tubing lines. Purpose: In this descriptive study, we evaluated the degree of contamina­tion with Gram positive and Gram negative bacteria in DUWLs of the dent-al school and also determined the efficacy of flushing on reducing its micro­bial count.Materials and Methods: Thirty dental units from all the departments of de­ntal school in Tehran University of Medical Sciences were selected for this study. Sampling consisted of a two step procedure before and after one min­ute of flushing. The samples were taken from air/water line of each selected dental unit separately. Air/water syringe of each unit was completely disinf­ected with Deconex before sampling.Results: The range of the contamination varied from190 to 23 ×105 CFU/ml. The bacterial contamination included anaerobic Gram negative bacilli, non-fermenting Gram negative bacteria, Gram positive cocci and Gram positive bacilli. In all the samples taken from water taps, contamination was noted, varying from 25 to 1700 CFU/ml. This was significantly lower than the co­ntamination of air/water syringe of the dental units.Conclusion: Applying the right principles for infection control such as using disinfectants or sterile water in dental settings and daily flushing before visit­ing patients can be of great significance.KEY WORDS: Dental unit; Water line; Bacterial contamination; Flushing
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