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Can a laser beam ease pain after Root-End surgery?

NCT ID NCT06574152

Symptom relief Sponsor: The University of Texas Health Science Center, Houston Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 17, 2026 · Last updated Aug 18, 2026 · Updated 1 time

Summary

This trial tests whether photobiomodulation (PBM), a type of low-level laser therapy, can reduce pain and improve healing after endodontic microsurgery—a procedure to treat infections at the tip of a tooth root. About 90 adults needing this surgery will receive either real PBM or a sham (inactive) treatment applied to the surgical incision. Researchers will measure pain levels and how well the incision heals in the days after surgery.

What this could mean

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

Active substance
Photobiomodulation (PBM) using a 660 nm diode laser applied to the surgical site after endodontic microsurgery
What this could lead to
If effective, this could offer a simple, drug-free way to reduce post-surgical pain and speed up healing after root-end surgery.
What could go wrong
This is a small, early-stage trial, and results may not apply to all patients. The effect on pain and healing may be modest or no better than a sham treatment.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 90 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2024

Expected to finish

May 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * American Society of Anesthesiologists (ASA) I or II. * At least one tooth will receive EMS. * Flap design that includes at least one VRI (triangular, rectangular, papilla base or submarginal rectangular). Exclusion Criteria: * ASA III or IV. * Current heavy smokers (\>10 cigarettes/day) * Uncontrolled diabetes (HbA1c ≥ 7%) or other uncontrolled systemic diseases that may comprise healing, such as vitamin C deficiency, neutrophil deficiencies, immunodeficiency syndromes, or leukemia. * Surgical access on the palatal surface. * Acute swelling or abscess present on the day of the surgery. * Any event or condition that would make continued participation in the study not in the best interest of the subject, as determined by the investigator. * Pregnancy. * Development of any medical condition that might affect the treatment and clinical outcomes, as determined by the investigator. * Initiation of any treatment or exposure that might affect therapy's healing, as determined by the investigator.

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Conditions

The condition(s) this trial relates to.

dental pulp disorder Periapical Diseases periapical granuloma periapical periodontitis Radicular Cyst Tooth, Nonvital

As listed by the trial registrant

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

Apical cyst Apical granuloma Apical periodontitis Endodontic disease Endodontically treated teeth Periradicular disease Previous endodontic treatment

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • The University of Texas Health Science Center at Houston

    RECRUITING

    Houston, Texas, 77030, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.