Question 1

Which enamel cutting instrument is used in a pull motion?

Accepted Answer

A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel 
A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel A

Question 2

Which instrument is used to plane and cleave enamel in a cavity preparation, is used with a push motion, has a single angled cutting edge, and has a curved blade?

Accepted Answer

A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel 
A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel E

Question 3

Which instrument (or instruments) is used to plane and cleave enamel?

Accepted Answer

A) Angle former 
B) Straight chisel 
C) Wedelstaedt chisel 
D) All of the above. 
E) Only B and C are correct. 
A) Angle former 
B) Straight chisel 
C) Wedelstaedt chisel 
D) All of the above. 
E) Only B and C are correct. E

Question 4

On a four-number enamel cutting instrument, what does the third number indicate?

Accepted Answer

A) Angle of the cutting edge of the blade in relation to the handle in millimeters 
B) Angle of the blade from the long axis of the shaft in millimeters 
C) Width of the blade in tenths of millimeters 
D) Length of the blade in millimeters 
A) Angle of the cutting edge of the blade in relation to the handle in millimeters 
B) Angle of the blade from the long axis of the shaft in millimeters 
C) Width of the blade in tenths of millimeters 
D) Length of the blade in millimeters

Question 5

Which of the following characteristic describes both the enamel hatchet and enamel hoe?

Accepted Answer

A) They are both used with a push motion. 
B) They are both three-number instruments. 
C) They can both only be found as a single-ended instrument. 
D) Their cutting blades are almost perpendicular to the instrument handle. 
A) They are both used with a push motion. 
B) They are both three-number instruments. 
C) They can both only be found as a single-ended instrument. 
D) Their cutting blades are almost perpendicular to the instrument handle.

Question 6

Which instrument is used to remove unsupported enamel?

Accepted Answer

A) Enamel Hoe 
B) Enamel Hatchet 
C) Margin Trimmer 
D) Wedelstaedt Chisel 
A) Enamel Hoe 
B) Enamel Hatchet 
C) Margin Trimmer 
D) Wedelstaedt Chisel

Question 7

Which cutting instrument is used to remove decay from the cavity preparation?

Accepted Answer

A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Spoon excavator 
A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Spoon excavator

Question 8

The instrument used to remove carious dentin in a cavity preparation is a(n)

Accepted Answer

A) hoe. 
B) hatchet. 
C) angle former. 
D) spoon excavator. 
E) mesial or distal gingival margin trimmer. 
A) hoe. 
B) hatchet. 
C) angle former. 
D) spoon excavator. 
E) mesial or distal gingival margin trimmer.

Question 9

An angle former enamel cutting instrument would be found on which instrument tray setup?

Accepted Answer

A) Restorative 
B) Endodontic 
C) Orthodontic 
D) Oral surgery 
A) Restorative 
B) Endodontic 
C) Orthodontic 
D) Oral surgery

Question 10

The instrument used specifically to bevel the cervical walls (floor) of the mesial and/or distal retention areas of the internal walls of a cavity preparation is a(n)

Accepted Answer

A) hoe. 
B) hatchet. 
C) angle former. 
D) spoon excavator. 
E) mesial or distal gingival margin trimmer. 
A) hoe. 
B) hatchet. 
C) angle former. 
D) spoon excavator. 
E) mesial or distal gingival margin trimmer.

Question 11

Which instrument is used to plane and cleave enamel and to form or accentuate line angles in a cavity preparation, is used with a pulling motion, and has a cutting edge or blade that is almost perpendicular to the handle?

Accepted Answer

A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel 
A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel

Question 12

Which instrument is used to plane and cleave enamel in a cavity preparation, is used with a push motion, and has two angles for the cutting edges?

Accepted Answer

A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel 
A) Enamel hoe 
B) Straight chisel 
C) Enamel hatchet 
D) Binangle chisel 
E) Wedelstaedt chisel

Question 13

Which of the following is the part of the instrument that attaches the handle to the working end?

Accepted Answer

A) Bevel 
B) Blade 
C) Shank 
D) Beaks 
A) Bevel 
B) Blade 
C) Shank 
D) Beaks

Question 14

On a three-number enamel cutting instrument, what does the first number indicate?

Accepted Answer

A) Angle of the cutting edge of the blade in relation to the handle in millimeters 
B) Angle of the blade from the long axis of the shaft in millimeters 
C) Width of the blade in tenths of millimeters 
D) Length of the blade in millimeters 
A) Angle of the cutting edge of the blade in relation to the handle in millimeters 
B) Angle of the blade from the long axis of the shaft in millimeters 
C) Width of the blade in tenths of millimeters 
D) Length of the blade in millimeters

Question 15

On a three-number enamel cutting instrument, what does the second number indicate?

Accepted Answer

A) Angle of the cutting edge of the blade in relation to the handle in millimeters 
B) Angle of the blade from the long axis of the shaft in millimeters 
C) Width of the blade in tenths of millimeters 
D) Length of the blade in millimeters 
A) Angle of the cutting edge of the blade in relation to the handle in millimeters 
B) Angle of the blade from the long axis of the shaft in millimeters 
C) Width of the blade in tenths of millimeters 
D) Length of the blade in millimeters

Question 16

If a 15-8-14 enamel hatchet is used in a dental procedure, what is the length of the blade of the instrument?

Accepted Answer

A) 8 mm 
B) 14 mm 
C) 15 mm 
A) 8 mm 
B) 14 mm 
C) 15 mm

Question 17

Which of the following is a working end of an instrument?

Accepted Answer

A) They are both used with a push motion. 
B) They are both three-number instruments. 
C) They can both only be found as a single-ended instrument. 
D) Their cutting blades are almost perpendicular to the instrument handle. 
A) They are both used with a push motion. 
B) They are both three-number instruments. 
C) They can both only be found as a single-ended instrument. 
D) Their cutting blades are almost perpendicular to the instrument handle.

Question 18

Which enamel cutting instrument is used to accentuate line and point angles in internal outline and retention in a cavity preparation?

Accepted Answer

A) Hatchet 
B) Angle former 
C) Straight chisel 
D) Binangle chisel 
E) Gingival margin trimmer 
A) Hatchet 
B) Angle former 
C) Straight chisel 
D) Binangle chisel 
E) Gingival margin trimmer

Question 19

What does a spoon excavator remove?

Accepted Answer

A) Carious dentin 
B) Temporary cement 
C) Temporary crowns 
D) Permanent crown during try-in 
A) Carious dentin 
B) Temporary cement 
C) Temporary crowns 
D) Permanent crown during try-in

Question 20

Which of the following hand instruments is an example of a four-number instrument?

Accepted Answer

A) Enamel hoe 
B) Spoon excavator 
C) Wedelstaedt chisel 
D) Distal gingival margin trimmer 
A) Enamel hoe 
B) Spoon excavator 
C) Wedelstaedt chisel 
D) Distal gingival margin trimmer

Exam 2: Enamel Cutting Instruments

Which enamel cutting instrument is used in a pull motion?

Which instrument is used to plane and cleave enamel in a cavity preparation, is used with a push motion, has a single angled cutting edge, and has a curved blade?

Which instrument (or instruments) is used to plane and cleave enamel?

On a four-number enamel cutting instrument, what does the third number indicate?

Which of the following characteristic describes both the enamel hatchet and enamel hoe?

Which instrument is used to remove unsupported enamel?

Which cutting instrument is used to remove decay from the cavity preparation?

The instrument used to remove carious dentin in a cavity preparation is a(n)

An angle former enamel cutting instrument would be found on which instrument tray setup?

The instrument used specifically to bevel the cervical walls (floor) of the mesial and/or distal retention areas of the internal walls of a cavity preparation is a(n)

Which instrument is used to plane and cleave enamel and to form or accentuate line angles in a cavity preparation, is used with a pulling motion, and has a cutting edge or blade that is almost perpendicular to the handle?

Which instrument is used to plane and cleave enamel in a cavity preparation, is used with a push motion, and has two angles for the cutting edges?

Which of the following is the part of the instrument that attaches the handle to the working end?

On a three-number enamel cutting instrument, what does the first number indicate?

On a three-number enamel cutting instrument, what does the second number indicate?

If a 15-8-14 enamel hatchet is used in a dental procedure, what is the length of the blade of the instrument?

Which of the following is a working end of an instrument?

Which enamel cutting instrument is used to accentuate line and point angles in internal outline and retention in a cavity preparation?

What does a spoon excavator remove?

Which of the following hand instruments is an example of a four-number instrument?

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