NDAEB prep UPDATED ACTUAL Questions and CORRECT
Answers
1. Torque is the force that produces or tends to produce a twisting or rotating
motion.
2. Low-speed Handpiece handpieces used to polish teeth and restorations remove soft carious
material and define cavity margins and walls
3. What speed does Low-speed handpieces run at a low speed (10,000 - 30,000 rpm)
low-speed handpieces
operate at?
4. Contra-angle attach- Holds latch type burs, mandrels, and files
ment
5. Prophylaxis angle Used during polishing procedures to hold the prophy cup and the bristle
brush and is a screw type
6. Nose Cone Most commonly used for laboratory procedures to trim provisional and
additional acrylic prostheses made outside of the mouth
, NDAEB prep UPDATED ACTUAL Questions and CORRECT
Answers
7. High-speed Handpiece This is used to do most of the cutting and preparation of the tooth during
dental procedures.
8. What speed does High-speed handpieces operate at high speed (400,000 rpm)
high-speed hand-
pieces operate at?
9. Shank Part of an instrument where the handle attaches to the working end
10. Straight shank (HP) Used in slow speed motor with straight attachment
Left in picture
11. latch-type shank contains a notch that fits into the contra angle/ right angle handpiece
and latches securely in place
, NDAEB prep UPDATED ACTUAL Questions and CORRECT
Answers
12. Friction grip shank short and smoot has no retention, high speed
13. What do dental burs • Preparing the tooth
do? • Excavating decay• Finishing cavity walls
• Finishing restoration surfaces
• Removing old fillings
• Finishing crown preparations
• Separating crowns and bridges
• Adjusting and correcting acrylic temporary crown
14. what are the cutting round burs, inverted cone burs, fissure burs, and end cutting burs
burs?
15. Round Bur Used for initial cut of cavity prep and caries removal.
, NDAEB prep UPDATED ACTUAL Questions and CORRECT
Answers
16. Inverted Cone Bur Removes decay, establishes retentive grooves and makes undercuts in
tooth preparation
17. fissure burs are used Fissure burs are used to modify the walls of cavity preparations, place
for? retention groves, and reach hard-to-access areas of the preparation.
18. Plain Fissure bur Form cavity walls of the preparation
19. Form divergent walls of cavity preparation.
Answers
1. Torque is the force that produces or tends to produce a twisting or rotating
motion.
2. Low-speed Handpiece handpieces used to polish teeth and restorations remove soft carious
material and define cavity margins and walls
3. What speed does Low-speed handpieces run at a low speed (10,000 - 30,000 rpm)
low-speed handpieces
operate at?
4. Contra-angle attach- Holds latch type burs, mandrels, and files
ment
5. Prophylaxis angle Used during polishing procedures to hold the prophy cup and the bristle
brush and is a screw type
6. Nose Cone Most commonly used for laboratory procedures to trim provisional and
additional acrylic prostheses made outside of the mouth
, NDAEB prep UPDATED ACTUAL Questions and CORRECT
Answers
7. High-speed Handpiece This is used to do most of the cutting and preparation of the tooth during
dental procedures.
8. What speed does High-speed handpieces operate at high speed (400,000 rpm)
high-speed hand-
pieces operate at?
9. Shank Part of an instrument where the handle attaches to the working end
10. Straight shank (HP) Used in slow speed motor with straight attachment
Left in picture
11. latch-type shank contains a notch that fits into the contra angle/ right angle handpiece
and latches securely in place
, NDAEB prep UPDATED ACTUAL Questions and CORRECT
Answers
12. Friction grip shank short and smoot has no retention, high speed
13. What do dental burs • Preparing the tooth
do? • Excavating decay• Finishing cavity walls
• Finishing restoration surfaces
• Removing old fillings
• Finishing crown preparations
• Separating crowns and bridges
• Adjusting and correcting acrylic temporary crown
14. what are the cutting round burs, inverted cone burs, fissure burs, and end cutting burs
burs?
15. Round Bur Used for initial cut of cavity prep and caries removal.
, NDAEB prep UPDATED ACTUAL Questions and CORRECT
Answers
16. Inverted Cone Bur Removes decay, establishes retentive grooves and makes undercuts in
tooth preparation
17. fissure burs are used Fissure burs are used to modify the walls of cavity preparations, place
for? retention groves, and reach hard-to-access areas of the preparation.
18. Plain Fissure bur Form cavity walls of the preparation
19. Form divergent walls of cavity preparation.
