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Gum graft showdown: your own tissue vs. Lab-Made material for better implants

NCT ID NCT07371481

Disease control Sponsor: Hanoi 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 2 times

Summary

This study tests two ways to thicken gum tissue around dental implants in the lower back jaw: using a piece of the patient's own gum tissue (connective tissue graft) or a man-made collagen material. About 46 adults with thin gums will be randomly assigned to one of the two methods during implant surgery. Researchers will measure changes in gum thickness, width, and shape over 9 months to see if the collagen material works as well as the natural tissue graft.

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 46 people

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

Started

Jan 2026

Expected to finish

Sep 2028

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 to 65 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: Adults aged 18 to 65 years. Patients requiring dental implant treatment in the mandibular molar region. Presence of insufficient peri-implant soft tissue thickness (\< 2 mm). Adequate general health to undergo minor oral surgery. Ability and willingness to provide written informed consent and comply with study procedures. Exclusion Criteria: Systemic conditions or medications that may impair wound healing. Heavy smoking (more than 10 cigarettes per day). History of allergy or hypersensitivity to collagen-based materials. Previous graft failure or complications at the intended implant site. Loss of three or more adjacent teeth in the study area (excluding third molars).

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As listed by the trial registrant

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

Insufficient peri-implant keratinized tissue Peri-implant soft tissue deficiency

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

  • School of Dentistry, Hanoi Medical University

    RECRUITING

    Hanoi, 100000, Vietnam

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