Applied and Natural Science Foundation
Its publication:
Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Journal of Applied and Natural Science 4(2):200-203(2012)
Dental unit water lines: The infectious sources of Pseudomonas aeruginosa
Ashok V. Gomashe, Pranita A. Gulhane, Preeti G. Dharmik and Aparna K. Barhanpure
Department of Microbiology, S.S.E.S.A’s Science College, Congress Nagar, Nagpur-440012 (MS), INDIA *Corresponding author. E-mail: Received: June 12, 2012; Revised received: June 29, 2012; Accepted: August 25, 2012
Abstract : Water quality in the dental unit water lines (DUWLs) is important to the patients and dental healthcare personnel as they are at risk of being infected with Pseudomonas aeruginosa. The aim of the present study was to determine the occurrence of P. aeruginosa contamination in DUWLs and to study the antibiotic resistant profile. A total of 101 dental water samples including air/water spray (26), Ultrasonic scalar (24), Air rotor compressor (26) and Distilled water (25) were screened for P. aeruginosa and 67 samples were found to be contaminated by P. aeruginosa. All these isolates were further subjected to antibiotic susceptibility testing. Among these, 63 (94.02%) showed resistance to ampicillin followed by 39 (58.20%) to amoxicillin, 11 (16.41%) to cefepime, 5 (7.46%) to aztreonam and 1 (1.49%) to gentamicin.

Keywords : Antibiotic resistance, Dental unit water lines, Pseudomonas aeruginosa, Water quality
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