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Custom dental implant abutment may speed healing and avoid second surgery

NCT ID NCT04449302

Disease control Sponsor: Cairo 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a custom-made healing cap placed right after a molar implant could improve gum and bone healing compared to the standard method of covering the implant. Twenty-two adults with non-restorable lower molars received an immediate implant with either a custom abutment or standard submerged healing. The goal was to see if the custom approach leads to better gum shape and less bone loss, potentially avoiding a second surgery.

What this could mean

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

Active substance
customized healing abutment (dental device)
What this could lead to
If successful, this approach could improve gum healing and reduce the need for a second surgery after immediate dental implants.
What could go wrong
This is a small, early-stage trial with only 22 participants, so results may not apply to everyone. The benefits over standard care are uncertain.

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

22 people

The number who actually took part.

Started

Mar 2021

Finished

Oct 2023

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

20 to 70 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: * Patients age between 20 and 70 years old. * Patients with non-restorable mandibular molars * Medically free. * Integrity of the extraction socket wall * Patients who are able to sign an informed consent form. * Cooperative, motivated and hygiene conscious Patients. * Patients who are able to come for the follow up appointments. Exclusion Criteria: • Patients with compromised general health conditions that would impair bone healing including: Past or present history of bone irradiation Patients taking bisphosphonates * Teeth with acute periapical pathosis * Heavy Smokers * Parafunctional habits * Pregnant females * Drug abusers * Uncontrolled diabetes

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As listed by the trial registrant

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

Immediate dental implant

Contacts and locations

Locations

  • faculty of dentistry, Cairo university

    Cairo, Egypt

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