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Dental crown showdown: which cement keeps Kids' smiles intact?

NCT ID NCT07611734

Disease control Sponsor: Murad Alrashidi 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at three types of dental cement used to attach zirconia crowns to young children's front teeth. About 120 healthy kids aged 2 to 7 with decayed or injured teeth will get crowns and be checked for up to 3 years. The goal is to see which cement holds the crown best and keeps gums healthy.

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 120 people

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

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Jul 2029

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

2 to 7 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: 1. Healthy children aged 2 to 7 years 2. One or more primary maxillary or mandibular incisors requiring full-coverage restoration due to caries or trauma 3. Adequate remaining tooth structure following preparation, defined as greater than 50% of the clinical crown 4. Parent or legal guardian able and willing to provide written informed consent and to commit to the 36-month follow-up schedule Exclusion Criteria: 1. Active periodontal disease at the index tooth, defined as a Löe Gingival Index score of 2 or higher 2. Parafunctional habits such as bruxism, severe thumb-sucking, or tongue-thrust documented at screening 3. Known allergy or hypersensitivity to zirconia, resin, glass ionomer, or any component of the assigned cement 4. Inconsistent oral hygiene, defined as less than twice-daily toothbrushing per parental report 5. Systemic disease affecting bone metabolism, tooth development, or wound healing 6. Current participation in another interventional dental clinical trial

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Conditions

The condition(s) this trial relates to.

dental caries Tooth Injuries

As listed by the trial registrant

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

Dental caries Primary tooth restoration Tooth injuries

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

  • Qassim University

    Buraidah, Al-Qassim Region, 52571, Saudi Arabia

More trials for these conditions

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