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Chapter 4 : instruments

Total questions: 26

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

dectects tooth anomalies; checks margins or restorations; detects calculus

a)

explorer

b)

hatchet

2.

burnish or polish hardened metallic surfaces and cavosurface margins; refine anatomy

a)

Burnisher

b)

cotton pliers

3.

Aids in maintaing aspetic working areas; transfers materials to operative site from clean area

a)

Thumb forceps

b)

Matrix

4.

Places cavity medications

a)

placement instrument

b)

Anatomic

5.

Planes and cleaves enamel and dentin walls during cavity preparation

a)

Chisel

b)

probe

6.

Grasp oral tissues; transfer materials into and out of oral cavity

a)

Cotton pliers

b)

Spatulas

7.

Condenses amalgam into compact mass; removes excess mercury; adapts amalgam to cavity walls

a)

Condenser/plugger

b)

probe

8.

Holds patient napkin in place; holds materials

a)

Napkin chain

b)

Hoe

9.

Mix plaster or cements; carve wax or porcelain

a)

Spatulas

b)

Mirror

10.

Indirect vision; retraction of cheek, lips, and tongue

a)

Mirror

b)

Excavator

11.

Provides missing wall when placing restorative materials

a)

Matrix

b)

smooth surface

12.

Recreate anamotic form in occulsal surface of amalgam restoration

a)

Anatomic

b)

Hoe

13.

Removes soft carious debris from cavity prepartion; places cavity medication; inverts rubber dam in gingival sulcus

a)

Excavator

b)

probe

14.

Prepares retention; sharpens internal line angles, and smooth internal cavity walls during tooth preparation

a)

Hatchet

b)

probe

15.

Polish or finish interproximal tooth or restorative surfaces

a)

Finishing strips

b)

Smooth surface

16.

Measures depth of ginigval sulcus

a)

Probe

b)

Hoe

17.

Creates retention form in the dentin; used with pull action

a)

Hoe

b)

matrix

18.

Contour buccal, lingual, and proximal surfaces of amalgam restoration

a)

Smooth Surfaces

b)

Chisel

19.

Name the instrument shown below:

a)

chisel, wedelstaedt

b)

chisel, straight

c)

carver, straight

d)

chisel, binangle

20.

Name the instrument below:

a)

chisel, binangle

b)

chisel, staight

c)

chisel, curved

d)

curette

21.

Name this instrument

a)

chisel, straight

b)

chisel, wedelstaedt

c)

curette

d)

none of the above

22.

Name this insturent

a)

tweezers

b)

cotton pliers

c)

grippers

d)

none of the above

23.

Name this instrument

a)

carrier, composite

b)

carver

c)

carrier, amalgam, regular and large size

d)

carrier, gun type

24.

Name this instrument

a)

hatchet, enamel

b)

how, enamel

c)

ginigival trimmer

d)

nond of the above

25.

Name the instrument

a)

endodontic barbed broaches

b)

endontic files

c)

endodontic reamers

d)

endodontic spreaders and pluggers

26.

Name this instrument

a)

excavator, spoon

b)

gingial probe

c)

explorer, double-ended

d)

none of the above