Indicadores de calidad bacteriologica del agua en unidades odontologicas

Background. It is important to maintain control of the microbiological quality of water used in dental procedures. Objective. To evaluate the bacteriological quality of water used in dental units of a University Hospital in eastern Colombia. Materials and methods. Random selection of a sample of six...

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Veröffentlicht in:Revista de la Facultad de Medicina, Universidad Nacional de Colombia Universidad Nacional de Colombia, 2014-01, Vol.62 (1), p.111-117
Hauptverfasser: Sara Lilia Ávila de Navia, Sandra Mónica Estupiñán Torres, Diana Milena Estupiñán Torres
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Sprache:eng
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Zusammenfassung:Background. It is important to maintain control of the microbiological quality of water used in dental procedures. Objective. To evaluate the bacteriological quality of water used in dental units of a University Hospital in eastern Colombia. Materials and methods. Random selection of a sample of six dental units that had closed system; from each one of the dental units there were taken three different instruments: handpiece high speed, triple syringe and tank. The technique used for the microbial counts was membrane ltration and identication of microorganisms was performed with rapid biochemical tests BBL Crystal. Results. The results revealed that a high degree of bacterial contamination does not coincide to microbiological parameters set out in Resolution 2115 of 2007 and the Colombian Technical Standard for drinking water. The study evidenced the presence of total coliforms in 94.4%, Escherichia coli by 16.6% and Enterococcus spp. in 88.8% of 18 samples analyzed. The counts of total coliforms, Escherichia coli and Enterococcus spp. through UFC/100mL showed no statistical differences in the three instruments analyzed P=0.927, P=0.996 and P=0.0396 (Kruskal-Wallis). Additionally there was identied Pseudomonas spp., opportunistic organism in immunosuppressed patients. Conclusions. The clinics need to improve its protocols or to adopt others, to decrease the risk of any infection.
ISSN:0120-0011
2357-3848
DOI:10.15446/revfacmed.v62n1.43766