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New light therapy could make root canals less painful

NCT ID NCT07266233

Disease control Sponsor: Ataturk University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether a special light-activated dye can kill more bacteria and reduce pain after root canal treatment. Fifty adults with infected teeth will receive either standard care or the light therapy. The goal is to see if this simple addition improves healing and comfort.

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

50 people

The number who actually took part.

Started

Jun 2025

Expected to finish

Mar 2026

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 to 65 years

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: 1. Patients aged between 18 and 65 years 2. Presence of asymptomatic apical periodontitis with necrotic pulp in single-rooted maxillary or mandibular incisors, canines, or premolars 3. Periapical Index (PAI) score ≥ 2 4. Patients classified as ASA I (American Society of Anesthesiologists Physical Status Classification) 5. Preoperative pain score \< 50 on the Visual Analog Scale (VAS) Exclusion Criteria: 1. Multi-rooted teeth 2. Patients classified as ASA II or higher 3. Pregnant women or those with suspected pregnancy 4. Root canal curvature greater than 25° according to the Schilder method 5. Patients diagnosed with generalized periodontitis 6. Periodontal pocket depth \> 3 mm in the related tooth 7. Use of analgesic medication within the past 72 hours 8. Use of antibiotic therapy within the past month 9. Presence of swelling and positive response to palpation/percussion tests

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Conditions

The condition(s) this trial relates to.

dental abscess pulpitis

As listed by the trial registrant

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

Root canal infection

Contacts and locations

Locations

  • Atatürk University, Faculty of Dentistry, Department of Endodontics

    Erzurum, Turkey (Türkiye)

More trials for these conditions

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