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Can a custom healing cap preserve gum and bone after tooth extraction?

NCT ID NCT07801573

Disease control Sponsor: Plovdiv Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 03, 2026 · Last updated Sep 04, 2026 · Updated 1 time

Summary

This study tests whether placing an implant immediately after extracting a damaged molar, along with a custom-made healing abutment, helps preserve the surrounding gum and bone. Researchers will group participants by the shape of the empty tooth socket and track tissue volume, implant stability, and healing over time. The goal is to see if this approach works reliably across different socket types and shortens the path to a final tooth replacement.

What this could mean

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

Active substance
Immediate implant placement with a customized healing abutment
What this could lead to
If successful, this approach could make immediate molar implants more predictable, preserving gum and bone shape while shortening treatment time.
What could go wrong
This is a small, early-stage study. Results may vary by socket type, and complications like poor healing or implant failure remain possible.

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

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2024

Expected to finish

Dec 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.

Who is studied

Consecutive adult patients attending the Department of Dental Implantology, Faculty of Dental Medicine, Medical University - Plovdiv, with a non-restorable posterior (premolar or molar) tooth indicated for extraction and suitable for immediate implant placement.

Ages

18 years and older

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: * Age 18 years or over * ASA physical status I or II * A non-restorable posterior tooth (premolar or molar) indicated for extraction: clinically unrestorable crown, advanced chronic periodontitis, failed or untreatable endodontic therapy, or vertical root fracture * Residual bone permitting implant placement with adequate primary stability * Able and willing to give written informed consent and to attend the follow-up schedule Exclusion Criteria: * ASA physical status III or higher * Pregnancy or lactation * Uncontrolled diabetes mellitus * Smoking more than 10 cigarettes per day * Drug or alcohol abuse * Current or previous bisphosphonate or other antiresorptive therapy * Head and neck radiotherapy * Immunosuppression * Anticoagulant or antiplatelet therapy where the required pre-operative preparation is declined * Psychiatric conditions preventing compliance with the study procedures * Known titanium allergy * Severe bruxism * Acute infection at the surgical site * Advanced alveolar resorption precluding immediate implant placement

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Conditions

The condition(s) this trial relates to.

Alveolar Bone Loss Jaw, Edentulous, Partially periodontal disorder Tooth Loss

As listed by the trial registrant

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

Alveolar bone loss Jaw, edentulous, partially Tooth loss

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Department of Dental Implantology, Faculty of Dental Medicine, Medical University - Plovdiv

    RECRUITING

    Plovdiv, 4000, Bulgaria

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