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Dental implant showdown: which prosthesis makes patients happier?

NCT ID NCT07632885

Disease control Sponsor: Mansoura 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two types of dental prostheses—milled bar and screw-retained—for people with severe upper jawbone loss who receive custom subperiosteal implants. Twenty participants will be randomly assigned to one of the two prostheses and followed for one year. The goal is to see which design leads to higher patient satisfaction and fewer complications.

What this could mean

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

Active substance
Maxillary subperiosteal implant with either milled bar-retained or screw-retained prosthesis
What this could lead to
If successful, this could help dentists choose the better prosthetic design for patients with severe jawbone loss, improving comfort and reducing complications.
What could go wrong
This is a small, early-stage trial with only 20 participants and a short one-year follow-up, so results may not apply to all patients or predict long-term outcomes.

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

20 people

The number who actually took part.

Started

Jun 2025

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

50 to 70 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 * Severe atrophied maxillary ridge (Residual bone height \< 4mm on CBCT) with the presence of adequate bone volume in the maxilla to support subperiosteal implants. * Willing to attend quarterly follow-ups. * No previous subperiosteal implant history. Exclusion Criteria * Systemic conditions contraindicating implant therapy. * Poor oral hygiene or ongoing periodontal disease. * Patients who have received hybrid restorations (i.e., a combination of bar and multi-unit systems).

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Conditions

The condition(s) this trial relates to.

Jaw, Edentulous

As listed by the trial registrant

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

Jaw, edentulous

Contacts and locations

Locations

  • Faculty of Dentistry of Mansoura University

    Al Mansurah, Dakahlia Governorate, 35511, Egypt

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