Instrument ID Quiz

Question 1

wedelstaedt chisel
purpose: bevel for \_\_\_ surfaces; reverse bevel for \_\_\_ surfaces
type of motion: 
formula: 
width of blade:

Answer 1

• bevel = horizontal; reverse = vertical
• push motion
• 15-15-3
• 1.5 mm

Question 2

bin-angle chisel purpose:
type of motion:
formula:
width of blade:

Answer 2

• cavity refinement
• push
• 15-8-8
• 1.5mm

Question 3

spoon excavator
purpose:
size of medium:
size of small:

Answer 3

• carious dentin removal
• 2mm
• 1.5mm

Question 4

111 hoe
purpose:
Black’s formula:
type of motion:

Answer 4

-cavity refinement
-10-4-8
pull motion

Question 5

(enamel) straight hatchel
purpose:
blade width medium:
blade with small:

Answer 5

• cavity refinement (both primary and secondary cutting edges can be used)
• 1.5mm
• 1.0mm

Question 6

off-angle hatchet
purpose:
size medium:
size small:

Answer 6

• cavity refinement (both primary and secondary cutting edges can be used)
• 1.5mm
• 1.0mm

Question 7

gingival margin trimmer match: MT 26 describes…

Answer 7

medium distal

Question 8

gingival margin trimmer match: MT 27 describes…

Answer 8

medium mesial

Question 9

gingival margin trimmer match: MT 28 describes…

Answer 9

small distal

Question 10

gingival margin trimmer match: MT 29 describes…

Answer 10

small mesial

Question 11

gingival margin trimmer width for
MT 26-27:
MT 28-29:

Answer 11

1.3mm; 1.0mm

Question 12

gingival margin trimmer purpose

Answer 12

plane/bevel gingival cavosurface margin of posterior proximal prepared cavities

Question 13

MN #1 and #2 condenser purpose

Answer 13

placing and adapting amalgam into cavity prep

Question 14

gold foil knife purpose

Answer 14

whittle/cut away excess set restorative (overhangs) from gingival margins

Question 15

true/false, composite placement/CMI 5s can place amalgam

Answer 15

false, it can ONLY be used with composite

Question 16

true/false, Goldstein #4 can be used for amalgam

Answer 16

false, composite ONLY

Question 17

true/false, super plugger can only be used with composite

Answer 17

true, it can only be used for composite, not amalgam

Question 18

composite carver (1-2 CARVER) purpose

Answer 18

carve cured composite

Question 19

purpose of amalgam condensers is for ___ and ____ amalgam into ___ _____

Answer 19

placing, adapting, cavity preparation

Question 20

purpose of burnishers is for ___ and _____ ____ ____ of newly placed amalgam restoration

Answer 20

shaping, improving surface quality

Question 21

purpose of amalgam carvers is for ___ and ___ ____ material from a _____ amalgam restoration

Answer 21

shaping, removing excess, setting

Question 22

purpose of composite placement instrument is to ___, ___, and ____ composite resin ____ to light curing

Answer 22

carry, insert, shape, prior

Question 23

purpose of composite carvers are for ____ and ___ ___ material from a ____ composite restoration

Answer 23

shaping, removing excess, set

Question 24

purpose of cord packing instrument (NU 7-4)

Answer 24

packing gingival retraction cord into gingival sulcus

Question 25

purpose of woodson #2

Answer 25

manipulating restorative materials while in a plastic/moldable stage

Question 26

purpose of liner-placement/dycal

Answer 26

carefully apply tiny amounts of liner (Dycal) to walls of prepared cavity

Question 27

use for #12 blade is to smooth/shape/scrape away excess ___ ____ restorations

Answer 27

cured composite

Question 28

25 blade and #6 lab handle purpose

Answer 28

lab applications

Question 29

does 111 hoe have 1 bevel and 1 reverse bevel OR 2 mesial faces

Answer 29

2 mesial faces (no reverse bevel)

Question 30

which instrument looks like a straight hatchet with the shanks rotated 45 degrees?

Answer 30

off-angle hatchet

Question 31

MN #1 condenser difference between ends

Answer 31

one vertical, one horizontal

Question 32

MN #2 condenser difference between ends

Answer 32

small = 1.0mm
medium = 2.0mm

Question 33

IPCs are ordered in increasing ____

Answer 33

strength

Question 34

purpose of IPCs are to carve _______

Answer 34

interproximally

Question 35

which cannot be used with amalgam, the Greenstein or Goldstein #4?

Answer 35

Goldstein #4 can only be used with composite

Question 36

IPC is very similar to which instrument?

Answer 36

cord packing instrument

Question 37

is the IPC thinner or thicker than the cord packing instrument?

Answer 37

IPC is thinner (will cut cord, not pack it)