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Which crown is better for Kids' teeth? small study aims to find out

NCT ID NCT06685640

Symptom relief Sponsor: Aydin Adnan Menderes University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study will compare two types of crowns—stainless steel and zirconia—placed on children's back baby teeth after pulp treatment. Ten healthy children aged 4 to 5 will receive both types of crowns, and researchers will check gum health, plaque buildup, tooth wear, and how satisfied parents are. The goal is to see which crown performs better in everyday use.

What this could mean

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

Active substance
prefabricated stainless steel crowns and prefabricated zirconia crowns
What this could lead to
If one crown type proves better, dentists may have clearer guidance on which to use for children's back baby teeth after pulp treatment.
What could go wrong
This is a very small trial (10 children) with no blinding, so results may not apply broadly. Both crown types are already in use, so no major breakthrough is expected.

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 10 people

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

Started

Jul 2024

Expected to finish

Apr 2027

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 5 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: * Age range of children from 4 to 5 years. * Systemically healthy. * Children who are positive and extremely positive according to the Frankl behavior scale. * Asymptomatic primary mandibular second molars with multi-surface deep caries requiring pulpotomy treatment. * No history of spontaneous pain. * Primary mandibular second molars where bleeding at the pulpotomy site can be controlled within 3 to 5 minutes. * Having opposing teeth in occlusal contact. * Patients without any periodontal-related attachment loss. * Patients without abscesses or fistulas on primary second molars. * Children who verbally and in writing agree to participate in the study and are willing to attend regular follow-up appointments will be included. Exclusion Criteria: * Having a systemic disease. * Periapical infection, abscess, or mobility in primary second molars. * Those with active periodontal disease. * Malocclusion or missing opposing tooth. * Primary second molars with pathological internal or external resorption. * Physiological root resorption exceeding 1/3 of the root. * Children with bruxism or unilateral chewing habits will not be included in the study.

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Conditions

The condition(s) this trial relates to.

dental caries

As listed by the trial registrant

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

Dental caries Pulpotomy

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

  • Adnan Menderes University

    RECRUITING

    Aydin, Aydın, 09100, Turkey (Türkiye)

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