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New root canal sealer could save more teeth from infection

NCT ID NCT05763420

Disease control Sponsor: Ministry of Health, Kuwait 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jul 23, 2026 · Updated 3 times

Summary

This study compares a new calcium silicate-based sealer to the standard resin-based sealer for root canals in molar teeth. About 136 adults aged 18-65 with infected molars will receive one of the two sealers. The goal is to see which material leads to better healing and fewer symptoms after treatment.

What this could mean

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

Active substance
AH Plus Bioceramic Sealer (calcium silicate-based) and AH Plus Sealer (resin-based)
What this could lead to
If the new sealer works better, it could lead to fewer failed root canals and less need for retreatment.
What could go wrong
This is a small, early-stage trial with only 136 participants, so results may not apply to everyone. The new sealer might not outperform the current standard.

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 156 people

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

Started

Aug 2023

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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

Accepted

You do not need to have the condition being studied to take part.

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: * Participants must be 18-65 years of age at the time of recruitment * Participants must have a classification of I or II on the American Society of Anesthesiologists (ASA) physical status classification system * Participants must not have known allergies to any materials used in the study * Participants must agree to participate in the study by signing a consent form * Participants must have good oral hygiene * Maxillary and mandibular permanent molar teeth that require primary root canal treatment will be included * The teeth must be restorable and have fully formed roots with no advanced periodontal disease Exclusion Criteria: * ASA classification of III or more * Pregnant or breastfeeding women * Patients who are unable to give consent * Patients who have advanced periodontal disease or teeth with more than 5mm probing * Anterior, premolar and third molar teeth * Teeth whose apices were over-enlarged at the time of pulp extirpation * Teeth with broken instruments * Teeth with blocked or non-negotiable canals * Teeth with iatrogenic perforations * Teeth with incomplete root formation * Teeth with internal or external root resorption * Teeth that have a poor restorative prognosis * Teeth that require posts or extensive prosthetic rehabilitation * Teeth with cracks * Teeth that have been previously root-filled

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Conditions

The condition(s) this trial relates to.

dental abscess Periapical Diseases periapical periodontitis suppurative periapical periodontitis

As listed by the trial registrant

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

Periapical diseases Periapical periodontitis Root canal infection

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

    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 ↗

  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

  • Jaber Al-Ahmed Dental Center

    Janūb as Surrah, Hawalli Governate, 00000, Kuwait

More trials for these conditions

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