Practice Quiz

ADEX Dental Hygiene Exam Prep

Category - DANB

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What is the relationship between the face of a calculus removal instrument and the tooth surface to which the working-end is applied?
  1. Adaptation
  2. Angulation
  3. Activation
  4. Sickle scaler
Explanation
Answer - B - Angulation is the relationship between the face of a calculus removal instrument and the tooth surface to which the working-end is applied. For insertion beneath the gingival margin, the fact-to-tooth surface angulation is between 0 and 40 degrees. For debridement, the face-to-tooth surface angulation is between 45 and 90 degrees.
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