Laser or ultrasound: which root canal method hurts less?

NCT ID NCT07453134

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests two ways to clean a tooth during a root canal: laser-activated irrigation and passive ultrasonic irrigation. Researchers want to see which method leads to less pain and better quality of life afterward. 90 adults with infected or damaged permanent teeth are taking part, and their outcomes will be checked after one year.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

root canal irrigation (laser-activated or ultrasonic)

What this could lead to

If one method works better, dentists may adopt it to reduce pain and improve recovery after root canals.

What could go wrong

This is a small, early-stage study with only 90 people. Results may not apply to everyone, and the differences between methods might be small.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

dental pulp necrosis Pain, Postoperative periapical periodontitis pulpitis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Chulalongkorn University

    Bangkok, 10330, Thailand