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Dental implant design showdown: which connection keeps jawbone healthier?

NCT ID NCT07824219

Symptom relief Sponsor: Gulf Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 17, 2026 · Last updated Sep 18, 2026 · Updated 1 time

Summary

Researchers compare two dental implant connection designs to see how each affects the bone around implants that hold lower dentures. Fourteen fully edentulous men, aged 45 to 60, receive two implants in the lower jaw, with one group getting internal tri-lobe implants and the other getting internal hexagonal implants. The implants are loaded immediately with ball attachments to support overdentures. Using cone-beam CT scans at the start, 6 months, and 12 months, the team measures changes in bone height and density around the implants.

What this could mean

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

Active substance
two types of dental implant-abutment connections: internal tri-lobe and internal hexagonal
What this could lead to
If one connection design preserves bone better, dentists could choose it to help implants last longer in people who wear lower dentures.
What could go wrong
The study is small, with 14 men, and lasts one year, so differences may be too small to detect or may not apply to women, other ages, or longer timeframes.

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

14 people

The number who actually took part.

Started

Dec 2024

Finished

May 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.

Ages

45 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: * Male participants aged 45-60 years who are completely edentulous in both arches; presentation of a normal ridge relationship with D2 bone quality and Type A or B bone quantity; provision of written informed consent. Exclusion Criteria: * Systemic conditions affecting bone metabolism; heavy smoking; poorly controlled diabetes; history of radiotherapy or chemotherapy.

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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.

Edentulism complete Jaw, edentulous Peri-implant bone loss

Contacts and locations

Locations

  • Gulf Medical University

    Ajman, United Arab Emirates

More trials for these conditions

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