Deck 6: Burs and Rotary Attachments for Handpieces

Question 1

Which part of the bur cuts, polishes, or finishes?

A)End of the bur
B)Shank of the bur
C)Neck of the bur
D)Head of the bur

Answer 1

Head of the bur

Question 2

Which of the following would you select if the dentist requested a No. 330 bur?

A)Round bur
B)Inverted cone
C)Straight fissure-crosscut
D)Pear-shaped bur
E)Tapered fissure-crosscut

Answer 2

Pear-shaped bur

Question 3

Identify the number of the bur that has tapered sides with horizontal cutting edges.

A)No. 57
B)No. 168
C)No. 699
D)No. 157
E)No. 701

Answer 3

No. 699

Question 4

A bur with a straight and long shank fits into which type of handpiece?

A)High-speed handpiece
B)High-speed fiberoptic handpiece
C)Slow-speed straight
D)Slow-speed contra-angle

Question 5

When the dentist requests a No. 701 bur for a cavity preparation, what type of bur would you place in the handpiece?

A)Round bur
B)Inverted cone
C)Straight fissure-crosscut
D)Tapered fissure-plain cut
E)Tapered fissure-crosscut

Question 6

Name the part of the bur that fits into the handpiece.

A)Head
B)Neck
C)Shank
D)Cutting edge

Question 7

Which type of bur is a No. 57?

A)Round bur
B)Inverted cone
C)Straight fissure-plain cut
D)Tapered fissure-plain cut
E)Straight fissure-crosscut

Question 8

A tray setup requires a No. 168 bur. What type of bur would you select?

A)Round bur
B)Inverted cone
C)Straight fissure-crosscut
D)Tapered fissure-plain cut
E)Tapered fissure-crosscut

Question 9

Identify the number of the bur that has horizontal cutting edges and parallel sides.

A)No. 57
B)No. 157
C)No. 699
D)No. 168
E)No. 557

Question 10

The dental procedure requires a No. 37 bur for the tray setup. Which bur would you select?

A)Round bur
B)Tapered fissure-crosscut
C)Inverted cone
D)Straight fissure-plain cut
E)Pear-shaped bur

Question 11

A bur with a latch at the end of the shank fits into which type of handpiece?

A)High-speed handpiece
B)High-speed fiberoptic handpiece
C)Slow-speed straight
D)Slow-speed contra-angle

Question 12

A friction grip bur fits into which type (or types) of handpiece?

A)High-speed handpiece
B)High-speed fiberoptic handpiece
C)Slow-speed straight
D)Slow-speed contra-angle
E)A, B, and D

Question 13

Which of the following numbers designates a straight fissure-plain cut bur?

A)No. 6
B)No. 56
C)No. 557
D)No. 701
E)No. 330

Question 14

Which of the following is a tapered fissure-plain cut bur that forms angles and retention grooves in the walls of a cavity preparation?

A)No. 57
B)No. 157
C)No. 699
D)No. 168
E)No. 330

Question 15

Name the type of bur used to help place anatomy in a composite restoration and to equilibrate or adjust occlusion.

A)Finishing bur
B)Superfine diamond bur
C)Round bur
D)Diamond bur
E)A and B

Question 16

What type of bur is a No. 556?

A)Round bur
B)Inverted cone
C)Straight fissure-crosscut
D)Tapered fissure-plain cut
E)Tapered fissure-crosscut

Question 17

Which of the following are parts of the bur?

A)Head
B)Neck
C)Shank
D)All of the above

Question 18

The dentist needs a No. 4 bur for a procedure. Which bur would you choose?

A)Straight fissure-plain cut
B)Straight fissure-crosscut
C)Inverted cone
D)Diamond bur
E)Round bur

Question 19

Name the type of bur typically used to open a tooth for an endodontic treatment.

A)Inverted cone
B)Round bur
C)Tapered fissure-crosscut
D)Finishing bur
E)Diamond flat-end taper

Question 20

Name the type of bur typically used to remove decay deep in the walls of the preparation once the tooth has been opened.

A)Inverted cone
B)Straight fissure-plain cut
C)Straight fissure-crosscut
D)Tapered fissure-crosscut
E)Round bur

Question 21

What type of diamond bur is used for a crown preparation when subgingival margins are needed?

A)Diamond wheel
B)Diamond flame
C)Diamond flat-end cylinder
D)Diamond flat-end taper

Question 22

Which of the following burs has parallel sides without horizontal cutting edges?

A)Straight fissure bur-crosscut
B)Tapered fissure bur-plain cut
C)Tapered fissure bur-crosscut
D)None of the above

Question 23

What type of diamond bur is used to reduce a tooth for a crown preparation when parallel walls and flat floors are needed for the restoration?

A)Diamond wheel
B)Diamond flame
C)Diamond flat-end cylinder
D)Diamond flat-end taper

Question 24

Which of the following burs may be used to remove caries from tooth structure?

A)Round bur
B)Pear-shaped bur
C)Inverted cone bur
D)All of the above

Question 25

Which of the following is used to polish restorations, amalgam, composite, and gold?

A)No. 557
B)Football diamond bur
C)Green points
D)Brown points
E)C and D

Question 26

Name the type of diamond bur used to reduce a tooth for a crown preparation on the lingual aspect of anterior teeth and for bulk reduction of incisal edges.

A)Diamond wheel
B)Diamond flame
C)Diamond flat-end cylinder
D)Diamond flat-end taper

Question 27

With bur size, an S at the end of the number indicates a long shank.

Question 28

What type of diamond bur is used to reduce a tooth for a crown preparation when a square shoulder is needed?

A)Diamond wheel
B)Diamond flame
C)Diamond flat-end cylinder
D)Diamond flat-end taper

Question 29

Which polishing rubber point is the most abrasive?

A)Brown points
B)Green Points
C)Blue Points

Question 30

Which diamond bur is used to reduce a tooth for crown preparation for subgingival margins?

A)Flat-end taper
B)Flat-end cylinder
C)Flame
D)Wheel

Question 31

With bur size, an L at the end of the number indicates a long shank.

Question 32

Which of the following functions is not a function of a finishing bur?

A)To equilibrate or adjust occlusion
B)To finish composite restoration
C)To place retention grooves in walls of cavity preparation
D)To finish restoration by restoring anatomy in tooth