Restorative & Materials · single question
A patient reports tooth sensitivity after vital bleaching. The most appropriate desensitizing agent is:
Show answer and explanation
Correct answer: A. Potassium nitrate
- A. Correct. Potassium nitrate (often with fluoride) is the standard agent for post-bleaching sensitivity; potassium ions reduce nerve excitability.
- B. Sodium hypochlorite is an endodontic irrigant, not a desensitizer.
- C. Phosphoric acid is an etchant and would worsen sensitivity.
- D. A calcium hydroxide rinse is not a desensitizing protocol for bleaching sensitivity.
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