Question 1

The bur used in the straight low-speed handpiece is the ________ shank.

Accepted Answer

A)   straight
B)   latch-type
C)   friction-grip
D)   none of the above

Question 2

Examples of hand-cutting instruments include:
1)  angle formers
2)  chisels
3)  excavators
4)  carriers
5)  plastic filling instruments

Accepted Answer

A)   1, 2, 3, 4, 5
B)   4, 5
C)   1, 2, 3
D)   2, 3, 4, 5

Question 3

Rotary instruments are referred to as burs.

Accepted Answer

A) True 
 B)False

Question 4

Some stones are considered heatless, and they are used to polish a restoration without creating frictional heat.

Accepted Answer

A) True 
 B)False

Question 5

The beavertail, egg, ball, and T-ball are examples of amalgam ____________.

Accepted Answer

A)   carvers
B)   carriers
C)   condensers
D)   burnishers

Question 6

Amalgam is packed into the cavity preparation by ____________.

Accepted Answer

A)   condensers
B)   pluggers
C)   either a or b
D)   neither a nor b

Question 7

Which type of bur is used to form the shoulders for a crown preparation?

Accepted Answer

A)   Round
B)   Pear
C)   End-cutting
D)   Wheel

Question 8

The electric handpieces have greatly improved and can be sterilized.

Accepted Answer

A) True 
 B)False

Question 9

Identify the following bur shape.

Accepted Answer

A)   Tapered fissure straight
B)   Plain fissure straight
C)   Plain fissure cross-cut
D)   Tapered fissure cross-cut

Question 10

The best way to maintain and sterilize a handpiece is to ____________.

Accepted Answer

A)   ask the dentist
B)   always clean and lubricate the handpiece
C)   disinfect instead of sterilize when unsure
D)   follow manufacturer's directions

Question 11

Use of instrument cassettes can reduce the risk of injury to the dental assistant during the cleaning process.

Accepted Answer

A) True 
 B)False

Question 12

A(n)  ________ is used in a pulling motion to smooth and shape the floor of the cavity preparation.

Accepted Answer

A)   hatchet
B)   hoe
C)   chisel
D)   excavator

Question 13

Dental instruments must be properly cared for to ensure the instruments will last a long time. Instruments should be cleaned as soon as possible after use.

Accepted Answer

A) True 
 B)False

Question 14

Identify the following cutting instrument:

Accepted Answer

A)   Mesial marginal trimmer
B)   Enamel hatchet
C)   Distal marginal trimmer
D)   Binangle chisel

Question 15

The rubber cups or brushes are placed on ____________.

Accepted Answer

A)   high-speed handpieces
B)   straight handpieces
C)   contra angles
D)   right angles

Question 16

A light source available on high-speed handpieces is a fiber-optic light source.

Accepted Answer

A) True 
 B)False

Question 17

Identify the following cutting instrument:

Accepted Answer

A)   Mesial marginal trimmer
B)   Binangle chisel
C)   Distal marginal trimmer
D)   Enamel hatchet

Question 18

Laboratory burs used to adjust partials, dentures, and custom trays may also be called vulcanite or acrylic burs.

Accepted Answer

A) True 
 B)False

Question 19

Abrasives such as garnet, sand, emery, and cuttlefish are examples of ________ discs.

Accepted Answer

A)   diamond
B)   carborundum
C)   stone
D)   sandpaper

Question 20

An instrument used to place and remove items from the oral cavity is ____________.

Accepted Answer

A)   surgical forceps
B)   transfer forceps
C)   cotton pliers
D)   HVE

Exam 18: Basic Chairside Instruments and Tray Systems

Amalgam is packed into the cavity preparation by ____________.

Correct AnswerverifiedShow Answer

Which type of bur is used to form the shoulders for a crown preparation?

Correct AnswerverifiedShow Answer

Use of instrument cassettes can reduce the risk of injury to the dental assistant during the cleaning process.

Correct AnswerverifiedShow Answer

An instrument used to place and remove items from the oral cavity is ____________.

Correct AnswerverifiedShow Answer

Dental instruments must be properly cared for to ensure the instruments will last a long time. Instruments should be cleaned as soon as possible after use.

Correct AnswerverifiedShow Answer

Identify the following bur shape.

Correct AnswerverifiedShow Answer

The electric handpieces have greatly improved and can be sterilized.

Correct AnswerverifiedShow Answer

The rubber cups or brushes are placed on ____________.

Correct AnswerverifiedShow Answer

Rotary instruments are referred to as burs.

Correct AnswerverifiedShow Answer

The bur used in the straight low-speed handpiece is the ________ shank.

Correct AnswerverifiedShow Answer

Identify the following cutting instrument:

Correct AnswerverifiedShow Answer

Examples of hand-cutting instruments include: 1) angle formers 2) chisels 3) excavators 4) carriers 5) plastic filling instruments

Correct AnswerverifiedShow Answer

Abrasives such as garnet, sand, emery, and cuttlefish are examples of ________ discs.

Correct AnswerverifiedShow Answer

Identify the following cutting instrument:

Correct AnswerverifiedShow Answer

The beavertail, egg, ball, and T-ball are examples of amalgam ____________.

Correct AnswerverifiedShow Answer

A(n) ________ is used in a pulling motion to smooth and shape the floor of the cavity preparation.

Correct AnswerverifiedShow Answer

The best way to maintain and sterilize a handpiece is to ____________.

Correct AnswerverifiedShow Answer

Laboratory burs used to adjust partials, dentures, and custom trays may also be called vulcanite or acrylic burs.

Correct AnswerverifiedShow Answer

A light source available on high-speed handpieces is a fiber-optic light source.

Correct AnswerverifiedShow Answer

Some stones are considered heatless, and they are used to polish a restoration without creating frictional heat.

Correct AnswerverifiedShow Answer

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