Question 10 (part 2) · LDEK · Non-surgical treatment
During working with a power scaler, the angle between the working tip of the handpiece and root surface must not exceed:
- A. 15 degrees.
- B. 25 degrees.
- C. 45 degrees.
- D. 55 degrees.
- E. 75 degrees.
Hint
The tip of a power scaler should work almost parallel to the root; choose the value that keeps it closest to parallel.
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