CHAPTER 21: Principles & techniques of Instrument Processing & Sterilization

Question 1

Seven steps for instrument processing

Answer 1

Transport
pre cleaning
packaging
sterilizing
storage
delivery
quality assurance

Question 2

three classifications of patient care items

Answer 2

critical
semi critical
non critical

Question 3

define critical patient care items

Answer 3

instruments that directly penetrates tissues and bones

Question 4

define semi critical patient care items

Answer 4

instruments that touch the oral tissue but do not penetrate or cut into it

Question 5

define non critical patient care items

Answer 5

instruments that do not come in contact with tissues

Question 6

how should critical patient care items be cleaned?

Answer 6

sterlizing with heat

Question 7

how should semi critical patient care items be cleaned?

Answer 7

with sterlization

Question 8

how should non critical patient care items be cleaned?

Answer 8

disinfection

Question 9

what are the auto clave and statim autoclave machines

Answer 9

they sterilize dental instruments

Question 10

what is the class 5 indicator?

Answer 10

the strip you place inside with the instruments when you sterilize them

Question 11

what is the PCD?

Answer 11

a special container you put the class 5 indicator strips inside

Question 12

what should you put on the pouches where the instrument are placed before sterilizing?

Answer 12

label : date, name etc

Question 13

which dental instrument should never be placed in the ultrasonic machine?

Answer 13

handpiece/drill

should only be handwashed

Question 14

Holding solution

Answer 14

a solution that you place contaminated dirty instruments in until you have time to properly sterilize them

Question 15

what can be used as holding solution?

Answer 15

soap water (detergent and water)

Question 16

what is the purpose of a holding solultion?

Answer 16

prevents drying of blood and debris on instruments

Question 17

what is the LEAST desirable method of cleaning dental instruments?

Answer 17

handscrubbing

Question 18

what does the ultrasonic cleaner do?

Answer 18

it loosens bioburden and debris

Question 19

can you use other chemicals in the ultrasonic cleaner when it is working?

Answer 19

no you must not use other chemicals in it

Question 20

how often should you discard ultrasonic cleaner solution?

Answer 20

once a day and when solution becomes cloudy

Question 21

how should you test an ultrasonic cleaner to make sure it is working properly?

Answer 21

by using a square piece of alumimun foil and dipping it halfway in for 20 seconds. if pebbling that is present isnt even or there is no pebbling at all, it means the machine isn’t working properly. 1/2 inch

Question 22

unwrapped cycle ( or flash sterilization)

Answer 22

method used to sterlize intstruments unwrapped for immediate use

Question 23

three methods of sterilization

Answer 23

steam
chemical vapour
dry heat

Question 24

what type of water should exclusively be added in the STATIM autoclave

Answer 24

distilled water

Question 25

the two types of machines in the sterilization areas are called

Answer 25

autoclave

statim autoclave

Question 26

where do instruments get pre cleaned?

Answer 26

in the ultrasonic machine