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Gum surgery breakthrough: new technique covers exposed roots in tough cases

NCT ID NCT07616960

Disease control Sponsor: Choying Lin 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed study tested a surgical technique called the combined bilaminar tunnel method for treating gum recession in patients with challenging tooth anatomy. Twelve participants received the procedure and were followed for six months. The goal was to see how much of the exposed tooth root could be covered and whether certain anatomical factors affected the outcome.

What this could mean

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

Active substance
mucogingival surgery (combined bilaminar tunnel technique)
What this could lead to
If successful, this surgical technique could offer a reliable option for covering exposed tooth roots in patients with challenging gum anatomy.
What could go wrong
This is a very small study (12 participants) with no comparison group, so results may not apply to everyone. Long-term success and risks like infection or graft failure are not fully known.

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

12 people

The number who actually took part.

Started

Apr 2022

Finished

Feb 2024

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Orthodontic patients who were going to be treated with cTUN approach for soft tissue modification. * Healthy periodontal condition or well controlled periodontitis with periodontal probing depth ≦ 3mm, and absence of bleeding on probing. * Thin gingival phenotype, determined with visible metal shade\[27\] * Intact clinical and pre-surgery radiographic data (CBCT) was available, and the patient followed the recommended supportive post-surgery treatment at least 6 month after the surgery. * Informed consent had been obtained prior to the mucogingival surgery. Exclusion Criteria: * Uncontrolled systemic disease, such as hypertension, diabetes. * Untreated periodontitis * History of radiation therapy on head and neck regions. * Heavy smokers (more than 0.5 pack per day). * Patient with pregnancy or breastfeeding. * History of mucogingival surgery performed on the same site. * Patient who did not comply to the recommended supportive treatment was regarded as erratic complier.

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Conditions

The condition(s) this trial relates to.

gingival recession root caries

As listed by the trial registrant

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

Gingival recession Gingival recession, mucogingival surgery Root coverage

Contacts and locations

Locations

  • Chang Gung Memorial Hospital

    Taipei, 10507, Taiwan

More trials for these conditions

Other studies related to the condition(s) this trial covers.