Multiple choice

Sonic instruments, used for shaping the root canals operate at

  1. 15000 to 65000 cycles/mt

  2. 150 to 650 cycles/mt

  3. 1500 to 6500 cycles/ mt

  4. 150000 to 650000 cycles/mt

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sonic handpieces operate at 1500 to 6500 cycles/mt when filled inside the root canals for cleaning and shaping.