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Can a gentler root canal tool ease post-treatment pain?

NCT ID NCT07718607

Symptom relief Sponsor: Minia 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

This trial compares two different file systems used during root canal treatment for infected lower molars. The goal is to see whether a newer, minimally invasive single-file system leads to less pain after the procedure than the standard Wave One Gold system. Adults with a specific type of tooth infection will be randomly assigned to one of the two methods, and their pain levels will be measured using a standard pain scale.

What this could mean

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

Active substance
a minimally invasive reciprocating single-file system for root canal preparation
What this could lead to
If one file system causes less pain, dentists may adopt it to improve patient comfort after root canal treatment.
What could go wrong
This is a small, single-center trial, so results may not apply broadly. Pain is subjective and can vary widely between individuals.

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 56 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Oct 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

19 to 45 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: * Adult patients who have vital mandibular molar teeth with irreversible pulpitis without apical periodontitis. * Medically free patients. Exclusion Criteria: * Pregnancy or lactation * Patients with para functional habits. * Teeth with non-vital pulps and periapical lesions. * The presence of swelling or a fistulous tract. * Any periodontal pockets with a depth more than 5 mm. * Previous endodontic fillings. * Patients with a history of any systemic diseases. * Severely curved canals and calcified ones.

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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

How to take part

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

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. 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.

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