Evaluation of Gram Negative Bacterial Contamination in Dental Unit Water Supplies in a University Clinic in Tabriz Iran

摘要

Background and aims Bacterial contamination of dental unit water supplies (DUWS) has attracted a lot of attention in recent years due to the emergence of serious infectionsin susceptible dental patients. The aim of the present study was to evaluate the presence of gram-negative bacterial contamination in DUWS at Tabriz University of Medical Sciences Faculty of Dentistry.