New study tests better ways to clean teeth during root canal retreatment

NCT ID NCT07150585

Ongoing Symptom relief Sponsor: Ege University Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at three different methods to activate cleaning fluids during root canal retreatment: ultrasonic, sonic, and laser. The goal is to see which one causes the least pain and helps the infection heal best. Seventy-five adults with previously treated teeth that still have small infections are taking part. Pain is measured over a week, and healing is checked with X-rays up to two years later.

What this could mean

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

What this could lead to: If successful, this could identify the best irrigation activation method to reduce pain and improve healing after root canal retreatment.
What could go wrong: This is a small, early-stage study with only 75 participants, so results may not apply to all patients. The outcomes rely on subjective pain reports and radiographic healing, which can vary.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

chronic apical periodontitis Pain, Postoperative

As listed by the trial registrant

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

ASYMPTOMATIC APICAL PERIODONTITIS RETREATMENT

Contacts and locations

Locations

Ege University, Department of Endodontics

Izmır, Bornova, Turkey (Türkiye)

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