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Tooth pain study seeks best numbing technique

NCT ID NCT07409896

Symptom relief Sponsor: Armed Forces Institute of Dentistry, Pakistan 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study compares two ways to numb a painful lower back tooth before a root canal. One method uses a standard injection near the jaw nerve, while the other uses a different numbing medicine injected near the tooth. The goal is to see which approach provides better pain relief during the procedure. The study will involve 330 healthy adults aged 18-55 with a specific type of tooth inflammation.

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 330 people

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

Started

Mar 2026

Expected to finish

Aug 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 55 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: * Systemically healthy patients classified as ASA I, aged 18-55 years. * Permanent mandibular first molar tooth requiring endodontic therapy. * Diagnosed with symptomatic irreversible pulpitis without swelling or sinus. * Normal periapical radiographic appearance (no evidence of periapical pathology). * Moderate pain as assessed by the Heft-Parker VAS (\>54 mm and \<114 mm). * Lingering pain or prolonged response to cold testing (lasting more than 10 seconds). * Positive response to electric pulp testing. * Outcome assessed must be pulpal anesthesia Exclusion Criteria: * • Pregnant or lactating mothers. * Teeth with reversible pulpitis, previously treated, or with calcified canals. * Teeth with severe periodontal disease or periapical radiolucency. * Patients who have taken analgesics or anti-inflammatory drugs within 6 hours before the treatment visit. * Patients on medications that could potentially interact with the anesthetic solution (e.g., antihypertensives, anticoagulants). * History of allergy to 4% articaine, lidocaine, or epinephrine. * Systemic diseases, immunocompromised states, or significant anxiety/mental health disorders. * History of vasovagal syncope on local anesthetic administration

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Conditions

The condition(s) this trial relates to.

pulpitis

As listed by the trial registrant

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

Anesthetic efficacy

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

  • Armed Forces Institute of Dentistry AFID CMH Rawalpindi

    RECRUITING

    Rawalpindi, Punjab Province, 46000, Pakistan

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