Deck 5: Dental Handpieces

Question 1

When would a laser handpiece be used?

A)Class II cavity preparation
B)Class IV cavity preparation
C)Control bleeding
D)Cut soft tissue
E)Both C and D are correct.

Answer 1

Class II cavity preparation

Question 2

Name the type of handpiece that delivers alpha-alumina particles.

A)Slow-speed contra-angle handpiece
B)Slow-speed straight handpiece
C)Air abrasion handpiece
D)High-speed handpiece
E)Implant handpiece

Answer 2

Air abrasion handpiece

Question 3

What is the advantage of a fiberoptic high-speed handpiece compared with a regular high-speed handpiece?

A)It is used with a bur to cut a tooth with decay or other dental anomalies.
B)It is used to provide light intraorally during use of handpiece.
C)When used with a bur, it generates an extreme amount of heat.
D)It is used for adjusting crowns and bridges for final fit.

Answer 3

It is used to provide light intraorally during use of handpiece.

Question 4

When using the surgical electrical handpiece unit, a lower speed may be used for which procedure?

A)Implants
B)Crown preparation
C)Surgical extraction
D)All of the above

Question 5

Which type of handpiece would be used with a disposable prophy angle?

A)High-speed handpiece
B)Slow-speed prophy angle handpiece
C)Slow-speed motor with a straight attachment
D)Slow-speed motor with a contra-angle attachment
E)Both B and C are correct.

Question 6

Which type of handpiece uses a latch type bur to remove decay from a cavity preparation?

A)High-speed handpiece
B)Slow-speed prophy angle
C)Slow-speed handpiece with a straight attachment
D)Slow-speed handpiece with a contra-angle attachment

Question 7

When is a slow-speed motor with contra-angle handpiece attachment used?

A)Remove decay.
B)Cut a tooth with decay.
C)Remove existing crowns or bridges.
D)Grind veneers down for replacement.

Question 8

The air abrasion handpiece typically is used for which type of preparation?

A)Class I cavity
B)Class II cavity
C)Class III cavity
D)Sealants
E)Both A and D are correct.

Question 9

Which type of handpiece used with a highly concentrated light source?

A)Laser handpiece
B)Air abrasion handpiece
C)Fiberoptic high-speed handpiece
D)Slow-speed motor with contra angle

Question 10

Which cavity preparation could use air abrasion for the preparation?

A)Class I and V
B)Class I and VI
C)Class II and VI
D)Class II and V

Question 11

Which dental device uses a high-pressure jet of air, water and polishing agent to clean and debride tooth surfaces?

A)RDH prophy handpiece
B)High-speed handpiece
C)Air abrasion
D)Air polisher

Question 12

What is the maximum rotation speed of the surgical electrical handpiece unit with implant handpiece?

A)10-50 rotations per minute
B)30,000 rotations per minute
C)40,000 rotations per minute
D)60,000 rotations per minute
E)450,000 rotations per minute

Question 13

Which statement is true about a disposable prophy brush?

A)Polishes all the surfaces of teeth.
B)Polishes the proximal surfaces of the teeth.
C)Polishes the lingual surface of posterior teeth.
D)Polishes the occlusal surfaces of the posterior teeth.

Question 14

Which type of handpiece uses a friction grip bur to cut a cavity preparation?

A)High-speed handpiece
B)Slow-speed prophy angle
C)Slow-speed handpiece with a straight attachment
D)Slow-speed handpiece with a contra-angle attachment

Question 15

What is the maximum rotation speed of the slow-speed handpiece?

A)20,000 rotations per minute
B)30,000 rotations per minute
C)75,000 rotations per minute
D)100,000 rotations per minute