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Denture showdown: which attachment keeps your jawbone healthier?

NCT ID NCT07241481

Disease control Sponsor: Al-Azhar University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed study tested two types of attachments (ball-and-socket vs Equator) for lower jaw implant-supported dentures in 24 adults aged 55-60. Researchers measured bone loss around the implants and how bite forces were distributed. The goal was to see which attachment provides better stability and preserves jawbone health.

What this could mean

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

Active substance
Ball-and-socket attachment and Equator attachment (dental implant components)
What this could lead to
If one attachment proves better, it could improve denture stability and comfort for people with missing lower teeth.
What could go wrong
This is a small, completed trial with only 24 participants, so results may not apply to everyone. The study compares two existing options, not a new breakthrough.

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

24 people

The number who actually took part.

Started

Jul 2024

Finished

Dec 2025

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

55 to 60 years

Sex

Male participants only

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: * All patients age must range from 55- 60 years old. * All patients' ridges should be covered with firm mucosa free from any signs of inflammation or ulceration and exhibit adequate height and width of the residual alveolar ridge. * Patients should be free from any metabolic or bone disorder that contraindicate implant installation. * All patients must have sufficient inter arch space Exclusion Criteria: 1. Patients with oral or systemic diseases. 2. Patients with xerostomia or excessive salivation. 3. Patients with parafunctional habits (bruxism or clenching). 4. Heavy smoker or alcoholic patients. 5. Patients with history of temporo-mandibular dysfunction. 6. Patients with brain disorders or psychiatric disorders

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Conditions

The condition(s) this trial relates to.

anodontia Jaw, Edentulous

As listed by the trial registrant

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

Attachments Complete edentulism Dental implant Edentulous alveolar ridge in mandible Edentulous jaw Implant retained overdenture

Contacts and locations

Locations

  • Oral and Dental Research Institute, National Research Center

    Cairo, 4470351, Egypt

More trials for these conditions

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