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DEN111- Chapter 15
| Question | Answer |
|---|---|
| Some microorganisms of main concern in dental unit water are species of: | pseudomonas, legionella, myobacterium, other bacteria, endotoxins |
| Factors that influence formation of biofilm: | water stagnates, small diameter tubing, bacteria in incoming water, waterborne bacteria, incoming water nutrients |
| CDC recommendations to prevents microorganisms found in dental unit water: | fewer than 500 CFU/ml of water bacteria for routine dental treatment water, follow recommendations, discharge water and air for 20 sec minimum |
| How to improve dental unit water quality: | independent water resevoirs, decontaminating and antimicrobial agents, source water treatment systems, filters, sterile water delivery systems |
| Two approaches to monitoring dental unit quality: | in office test kits, mail in or local lab testing services |
| Legionella bacteria can cause what type of disease in a person? | pneumonia |
| What role does dental unit water line biofilm play in the microbial contamination of dental unit water? | biofilm sheds bacteria into the water, causing increased levels of bacteria in the outgoing water |
| The level of microbes in water coming out of an unmodified dental unit is almost always: | higher than drinking water |
| What type of water should be used to irrigate during oral surgical procedures? | sterile water |
| Potable water is the same as: | drinking water |
| What attacks dental unit water line biofilm? | addition of an antimicrobial agent to the water |
Created by:
madelineyork
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