Can a blood clot or platelet fibrin help save a tooth that failed root canal?

NCT ID NCT07721051

First seen Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

This trial tests whether different scaffolds—a blood clot or various platelet-rich fibrin preparations—can improve healing in teeth that need a second root canal treatment. Sixty participants will receive one of four scaffolds during the procedure and be followed for a year. The goal is to see which scaffold best resolves infection and promotes tissue repair.

What this could mean

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

Active substance
scaffolds: induced blood clot, injectable platelet-rich fibrin (i-PRF), advanced platelet-rich fibrin (A-PRF), or advanced platelet-rich fibrin plus (A-PRF+)
What this could lead to
If one scaffold proves superior, it could improve success rates for saving previously treated teeth, reducing the need for extraction or implants.
What could go wrong
This is a small, early-stage trial with 60 participants, so results may not apply broadly. Risks include infection, pain, or the scaffold not promoting healing.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

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  • Contact

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