ORTHODONTICS (Dentistry) FINAL EXAM 2 STUDY QUESTIONS AND ANSWERS (with
diagrams) MULTIPLE CHOICE A+ GRADED.
1. What were the first arch wires used in level- A. Nickel Titanium
ing and aligning?
A. Nickel Titanium
B. Stainless Steel
C. Nanocoated
D. Gold Alloy
2. What shape of wire is used to level the curve B. Reverse curve
of Spee?
A. Orthoform I
B. Reverse curve
C. Ovoid
D. A & C
3. Ligature ties are a bendable material. They A. True/True
are used as co ties.
A. True/True
B. True/False
C. False/False
D. False/True
4. What type of wire is used for torque? B. Rectangular
A. Round
B. Rectangular
C. Both A and B
D. None of the Above
5. After a canine exposure, what material can D. Zing String
you use to tie to a gold chain?
A. Beta-ti wire
B. Close coil springs
C. Floss
D. Zing String
, ORTHODONTICS (Dentistry) FINAL EXAM 2 STUDY QUESTIONS AND ANSWERS (with
diagrams) MULTIPLE CHOICE A+ GRADED.
6. What type of material is used to hold space B. Closed coil spring
that we like?
A. Open coil spring
B. Closed coil spring
C. Zing string
D. Power tubing
7. Which material is used for space closure? C. Power chain
A. Close coil springs
B. Power tubing
C. Power chain
D. Floss
8. If you engage the power-chain to the distal A. Mesial
bracket the teeth will rotate in what direction?
A. Mesial
B. Distal
C. Intrude
D. Extrude
9. What kind of tie is used to add an elastic to a D. Kobi tie
hook that does not have a bracket?
A. Steel tie
B. Ligature tie
C. Plastic hook
D. Kobi tie
10. Using a combination of Ni-ti wire overtop A. True
stainless to bring a tooth into the arch is
called "Piggyback"
A. True
B. False
11. What are bite turbos used for in orthodon- D. All of the above.
tics?
A. Helps to open the bite in a deep bite case
B. Helps to jump a cross bite
C. Can help to intrude teeth from biting into
the turbo
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