Multiple Choice
Laboratory burs have a _____ shank and a _____ head than dental burs.
A) shorter; smaller
B) longer; smaller
C) shorter; larger
D) longer; larger
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Since the late 1940s,_ burs have been
Q13: Because abrasive discs and wheels are supplied
Q14: The air abrasion technique uses high-pressure delivery
Q15: The high-speed handpiece uses _ burs.<br>A)friction-grip<br>B)straight<br>C)latch<br>D)laboratory
Q16: A _-shaped diamond rotary instrument provides access
Q18: The ultrasonic handpiece is used for:<br>A)cavity preparation.<br>B)polishing.<br>C)scaling.<br>D)adjusting
Q19: The handpiece that has the greatest torque
Q20: Rotary instruments were introduced in dentistry in
Q21: The most commonly used finishing burs are:<br>A)flame-shaped.<br>B)round-shaped.<br>C)tapered.<br>D)all
Q22: The type of shank fits into a