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Ultrasonic device may ease root canal pain better than standard needle

NCT ID NCT06358833

Symptom relief Sponsor: Qassim 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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether using an ultrasonic device to clean root canals causes less pain afterward than a standard needle. 108 adults with tooth pain had root canals and were randomly assigned to one method. Pain was measured using a scale. The goal is to find which cleaning method is more comfortable for patients.

What this could mean

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

Active substance
sodium hypochlorite (irrigant) delivered via endodontic needle or ultrasonic activation device
What this could lead to
If the ultrasonic device works better, it could mean less pain after root canals for many people.
What could go wrong
This is a small, completed study (108 people) comparing two methods. The difference in pain may be small or not meaningful for all patients.

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

108 people

The number who actually took part.

Started

Apr 2024

Finished

Apr 2025

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 90 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 (\>18 years of age) visiting the College of Dentistry and undergoing root canal treatment in posterior teeth (molars and premolars). * Teeth having fully formed roots with mature apices. * Patients willing to collaborate in the study must sign a written consent form. * Diagnosis of irreversible pulpitis in posterior tooth/teeth requiring root canal treatment. * No history of allergy to the anesthesia solution. * Classified as class I, II in the American Society of Anesthesiologists Physical Status Classification System. Exclusion Criteria: * Patients diagnosed with pulp necrosis in the tooth require root canal treatment. * Mentally or medically compromised patients. * Pregnant women. * Patients on any medications for the past two weeks * Patients who refuse to participate in the study. * Patients with a history of allergy from any of the contents of local anesthesia or rubber dam material. * Non-restorable teeth

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative pulpitis

As listed by the trial registrant

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

Irreversible pulpitis Postoperative pain

Contacts and locations

Locations

  • Muhammad Zubair Ahmad

    Ar Rass, Al-Qassim Region, 58883, Saudi Arabia

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