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Oral Surgery · single question

For a patient with radiation-induced mucositis, which management change is most appropriate?

  1. Switch from chlorhexidine rinse to povidone-iodine
  2. Increase chlorhexidine concentration
  3. Add systemic antifungals
  4. Use saline rinses only
Show answer and explanation

Correct answer: A. Switch from chlorhexidine rinse to povidone-iodine

  • A. ✅ Correct. Chlorhexidine may further irritate compromised irradiated mucosa. Povidone-iodine (Betadine) rinses are better tolerated for radiation mucositis and maintain antimicrobial properties without CHX-related mucosal irritation.
  • B. ❌ Increasing CHX concentration would worsen irritation on already compromised mucosa.
  • C. ❌ Antifungals are added only if candidal superinfection is present.
  • D. ❌ Saline alone is soothing but insufficient as a complete switch from antimicrobial rinsing.

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