A _____-Shaped Diamond Rotary Instrument Provides Access to the Pulp

Q11: Air abrasion handpieces are most effective when

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

Q17: Laboratory burs have a _ shank and

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