chapter 24 - recall questions

Question 1

are waterborne diseases limited to dentistry

Answer 1

no

Question 2

is the presence of bacteria in DUWL a recent finding

Answer 2

first reported more than 30 years ago

Question 3

has a widespread public health problem regarding contaminated dental water been reported

Answer 3

no

Question 4

what bacteria cause the disease legionellosis

Answer 4

legionella bacteria

Question 5

where is biofilm found

Answer 5

biofilm is found on any solid surface that is wet or moist

Question 6

what is the disadvantage of heating the dental unit water

Answer 6

warm water will contribute to increased levels of bacterial colonization

Question 7

is it possible to eliminate biofilm completely

Answer 7

no, but it can be reduced

Question 8

if sterile water is used in the self-contained reservoir, will the water that enters the patients mouth be sterile

Answer 8

if will not be sterile if it enters the patients mouth because the traditional dental units are not capable of delivering sterile water

Question 9

how often should icrofilters be changed

Answer 9

microfilters should be changed according to the manufacturers recommendations

Question 10

what type of water must be used as an irrigant for surgery involving bone

Answer 10

sterile water

Question 11

will flushing DUWL remove biofilm

Answer 11

no

Question 12

when should the high-volume evacuator be used to minimize aerosol

Answer 12

should be used with the high-speed handpiece, ultrasonic scalers and air-water syringe

Question 13

will the use of rubber dam totally eliminate exposure to microorganism

Answer 13

no

Question 14

what methods are available to test the qualiity of dental unit water

Answer 14

can be tested b y using a commercial service or office test kits