Multiple choice

During scaling and root planning, the optimal angulation of the instrument is

  1. 15-30 degrees

  2. 35-45 degrees

  3. more than 90 degrees

  4. 45-90 degrees
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

If blade angle is less than 45 degrees or more than 90 degrees then instead of removing calculus, it would burnish and smoothen it.

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