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Tooth root left in place may strengthen dental implants

NCT ID NCT05902715

Knowledge-focused Sponsor: Universitaire Ziekenhuizen KU Leuven 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested a dental implant technique called the socket shield, where part of the tooth root is left in place to help preserve the surrounding bone. Twenty patients received 23 implants and were followed for 18 months. Researchers measured bone thickness and implant survival using CT scans.

What this could mean

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

Active substance
socket shield technique (dental implant procedure)
What this could lead to
If successful, this technique could improve long-term bone stability around dental implants, potentially reducing implant failure.
What could go wrong
This is a small, early study with only 20 patients and no comparison group. Results may not apply to all patients or tooth types.

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 2018

Finished

Jan 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

18 to 80 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: * • Hopeless teeth suitable for immediate implant placement * Only single-rooted teeth in the maxilla * Intact buccal and palatal bone plate * Intact buccal root portion * Any periodontal phenotype (thin, thick) Exclusion Criteria: * • Horizontal root fracture below bone level * Smoking * Systemic pathology influencing bone healing * Active periodontal disease

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As listed by the trial registrant

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

Peri-implant health

Contacts and locations

Locations

  • UZ Leuven

    Leuven, Belgium

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