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Kids' crown showdown: which type is kindest to gums?

NCT ID NCT07611292

Knowledge-focused Sponsor: Recep Tayyip Erdogan University Training and Research Hospital 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how three types of dental crowns (stainless steel, zirconia, and fiber-glass) affect the gums of 21 children aged 6-9. Researchers measured gum pocket depth, bleeding, plaque, and inflammation markers in the gum fluid. The goal was to see which crown material is gentlest on gum tissue.

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.

Participants

21 people

The number who actually took part.

Started

Jun 2024

Finished

Apr 2026

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.

Who is studied

children who applied for the dental treatment to the Faculty of Dentistry in Rize

Ages

6 to 9 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: * Children who were aged between 6 and 9 years * Children had a score of 3 or 4 on the Frankl Behavioral Scale * Children had an indication for full coronal restoration in the primary second molars in all the three quadrants * Presence of extensive or chronic carious lesions involving the pulp with radiographic scores ranging between 2 and 3 * Presence of localized hypoplastic defects * Normal or non-resorbed interproximal bone levels, defined radiographically as a distance of no more than 2 mm between the interdental bone crest and the cementoenamel junction * Those where the root resorption level was blunt or the apex was rounded, and those where 1/4 of the root has been resorbed Exclusion Criteria: * Children had any systemic disease * History of allergy to local anesthetic agents, nickel, or resin-based restorative materials * Extremely poor oral hygiene * Periodontal disease * Malocclusion

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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.

Matrix metalloproteinase Oral health Pediatric dentistry Periodontal health Stainless-steel crown

Contacts and locations

Locations

  • Sema Aydinoglu

    Rize, Turkey (Türkiye)

More trials for these conditions

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