Root canal showdown: bleach vs. chlorhexidine – which hurts less?
NCT ID NCT07453160
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two common root canal cleaning solutions—chlorhexidine and sodium hypochlorite (bleach)—to see which one leads to less pain the day after the procedure. About 90 adults needing a root canal will be randomly assigned to one of the two solutions. Participants will rate their pain 24 hours later using a simple scale. The goal is to help dentists choose the most comfortable option for their patients.
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