burs and putty

Question 1

two types of burs

Answer 1

tungsten carbide
diamond

Question 2

carbides do what vs diamond

Answer 2

carbides CUT diamonds GRIND

Question 3

Carbides are defined by what kind of system

Answer 3

numbering

Question 4

Diamond Burs are constructed of what kind of metal

Answer 4

stainless steel and bonded with diamond particles

Question 5

which type of bur creates the most friction

Answer 5

diamond

Question 6

over-use of a diamond bur can lead to

Answer 6

decreased cutting efficiency

Question 7

how many types/shapes of diamond burs are there

Answer 7

8

Question 8

what is the difference in the total number of diamond bur types/shapes

Answer 8

half are flat 1-4 and tapered 5-6

Question 9

what are the shapes

Answer 9

flap-end
modified flat-end
round-end
modified round-end

Question 10

how are shapes indicated

Answer 10

3 numbers before the period

Question 11

what is the bur color for super course

Answer 11

black

Question 12

what is the bur color for coarse

Answer 12

green

Question 13

what is the bur color for medium

Answer 13

blank or silver

Question 14

what is the bur color for fine

Answer 14

red

Question 15

what is the bur color for extra fine

Answer 15

yellow

Question 16

what is the bur color for ultra fine

Answer 16

white

Question 17

where do you find the cutting diameter for a bur by looking at the number code

Answer 17

last numbers on the item code

Question 18

.016 has a cutting diameter of how wide

Answer 18

1.6mm

Question 19

cutting length is denoted by what part of the number code

Answer 19

two digits between the periods in the item code

Question 20

33 code cutting length

Answer 20

short 16mm

Question 21

32 code cutting length

Answer 21

extra short 14.5mm

Question 22

36 code cutting length

Answer 22

25 extra long

Question 23

30 code cutting length

Answer 23

30mm surgical

Question 24

other shapes include

Answer 24

round
barrell
egg
wheel
end cutting

Question 25

when creating a shoulder margin what bur should you use

Answer 25

flat end taper

Question 26

barrel burs are used for what purpose

Answer 26

occlussal reduction

Question 27

wheel burs are used for what type of reduction

Answer 27

incisal edges

Question 28

a reduction matrices helps to

Answer 28

measure the prep depths relative to the unprepped tooth

Question 29

what type of material is lab putty

Answer 29

silicone

Question 30

why is silicone good

Answer 30

excellent dimensional stability good accuracy fairly stiff