
DEN4455 Wk 14
Quiz
•
Education
•
University
•
Practice Problem
•
Hard
Tonia Peachman
Used 1+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What am I?
a pigtail explorer
a Wiland carver
a T3 carver
Answer explanation
This instrument is OFTEN mistaken for the Wiland carver - look carefully at the working end.
How do explorers differ from carvers?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What am I used for ?
scoop out diseased tooth structure
carver newly placed amalgam
shape composite materials
burnish a matrix band
Answer explanation
This instrument is OFTEN mistaken for the spoon excavator
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is NOT true?
The universal retainer holds the matrix snugly in position.
The outer knob of the universal retainer secures the matrix band when tightened.
The universal retainer is most often positioned in on the lingual of the tooth of operation.
The inner knob of the universal retainer can adjust the circumference of the matrix band.
Answer explanation
The retainer is most often seated on the buccal of the operative tooth.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of rotary instrument shank is placed into a high-speed handpiece?
straight
friction-grip
latch-type
curved
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of the following are uses for a low-speed handpiece except:
removal of old or faulty restorations
finishing and polishing restorations
root canal treatment
coronal stain removal
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The 3 basic parts of a rotary instrument are:
handle, shank & working end
shank, neck & head
neck, head & handle
shank, neck & working end
Answer explanation
1: head
2: neck
3: shank
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ________-shaped diamond rotary instrument provides access to the pulp chamber.
cylinder
flame
wheel
round
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