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Dental showdown: which pulp treatment works best for kids?

NCT ID NCT07168811

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study will test three different materials—hyaluronic acid, TheraCal, and MTA—used to treat deep cavities in children's baby molars. Sixty-six kids aged 4 to 8 will receive one of the treatments, and researchers will check for pain, swelling, and X-ray changes over 12 months. The goal is to find out which material keeps the tooth healthy longest.

What this could mean

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

Active substance
hyaluronic acid, TheraCal, or mineral trioxide aggregate (MTA) applied to the tooth pulp
What this could lead to
If successful, this could show that a simpler, less expensive material works just as well as standard treatments for saving baby teeth.
What could go wrong
This is a small, early-stage trial with only 66 children, so results may not apply to all kids. Also, any pulpotomy can fail over time, leading to infection or tooth loss.

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 66 people

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

Expected to start

Oct 2025

An estimate. Start dates often move.

Expected to finish

Nov 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

4 to 8 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: * Age 4-8 years, * Co-operative patient * At least one restorable mandibular second primary molars with deep carious lesions requiring pulpotomy. * Absence of gingival swelling or sinus tract. * Absence of spontaneous pain. * Absence of pain on percussion. * Controlled bleeding. * First treatment the tooth. * Possibility of restoring the tooth with a stainless steel crown. * No Radiographic evidence of changes associated with pulp degeneration, such as widening of PDL space, internal root resorption, external root resorption, inter-radicular or periapical bone destruction (radiolucency). Exclusion Criteria: * Swelling, sinus tract, or fistula. * Spontaneous pain. * Necrotic pulp, pathological mobility. * Cases require for general anesthesia. * A history of repeated need for analgesics. * Patients with any systemic diseases. * Uncontrolled bleeding. * Selected deciduous teeth without a permanent successor

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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

  • Al-Azhar University

    Cairo, Egypt

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