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New dental membrane aims to keep your smile intact after tooth pull

NCT ID NCT07334067

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a special membrane placed in the tooth socket right after a front tooth is removed, along with a bone graft, to help the gum and bone heal in a way that keeps the area looking natural. Forty adults who need a front tooth pulled and cannot get an immediate implant will be randomly assigned to have the wound either left open or stitched closed. Researchers will measure how quickly the gum heals and how much bone forms over three months using photos and 3D X-rays.

What this could mean

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

Active substance
dental prosthesis membrane (PCL membrane) and bone graft material (Bio-oss)
What this could lead to
If it works, this could offer a better way to preserve the shape of the gums and bone after a front tooth is pulled, making future dental implants or bridges look more natural.
What could go wrong
This is a small, early-stage study with only 40 participants and no blinding, so results may not apply to everyone. The membrane and graft are not new, so the benefit over existing methods may be small.

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

About 40 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

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.

Ages

18 years and older

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: * 1: Age ≥18 years old 2: The affected teeth did not have the conditions for immediate implant placement: thin gingival biotype, labial bone plate thickness \<1 mm, the labial bone plate was missing, the distance between the labial bone plate crest and the cemento-enamel junction\>3 mm 3: No systemic diseases and good oral hygiene 4: Be willing to receive treatment and regular follow-up and review, and signed the informed consent Exclusion Criteria: * 1: Uncontrolled systemic diseases, such as heart, liver and kidney diseases, systemic infections, diabetes, etc 2: Women who are pregnant or lactating 3: Taking bisphosphonates, glucocorticoids and other drugs that affect bone metabolism for a long time or within 5 years 4: Patients receiving oral and maxillofacial radiotherapy in the past five years 5: Patients suffering uncontrolled periodontal disease

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As listed by the trial registrant

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

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

  • Stomatology Hospital, Zhejiang University School of Medicine

    Hangzhou, Zhejiang, 310000, China

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