Preventive Materials and Techniques · CDA

Which preventive measure helps reduce gingivitis?

  1. Sealant placement
  2. Routine mechanical plaque removal
  3. Fluoride varnish
  4. Air polishing only
Show answer and explanation

Correct answer: Routine mechanical plaque removal

Brushing and flossing remove plaque, the primary cause of gingivitis. Regular hygiene appointments reinforce this.

Difficulty: Medium Question 18 of 20

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