lecture 5 instruments

Question 1

non cutting face= cutting _____
non cutting nib= cutting ___

Answer 1

face=cutting edge
nib= blade

Question 2

cutting instruments:

1. sharpen line angles and place retention (cut enamel too)
2. removies caries
3. mesial and distal (and bevel enamel at gingival)
4. plane walls of prep

Answer 2

1. hatchets (enamel hatchet)
2. spoons
3. gingival margin trimmers
4. chisels

Question 3

sharpen instruments at first sign of

this can result in

Answer 3

dullness

more pressure needed
more pain
less control
takes longer
reduces quality

Question 4

sterilization:

1. uses stem under pressure:
2. over-type sterilizer:
3. chemical vapor pressure and proper ventilation must be installed
4. proper ventilation installed

Answer 4

1. autoclave
2. dry-heat
3. chemiclaving
4. ethylene oxide

Question 5

what is true regarding sterilization of instruments?
a. only time instrument needs to be sterilized when sharped is before it

b. chemiclave system requires proper ventiliation

c. autoclaves use dry here to rid instruments of microbes

Answer 5

a. wrong needs re-sterilized
b. true
c. wrong- autoclaves use stem pressure