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New lip surgery shows promise for gummy smile fix

NCT ID NCT07285343

Symptom relief Sponsor: Suez Canal University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested two surgical methods to reduce a gummy smile in 20 adults aged 18-38. One method was the standard lip repositioning, the other a modified technique that also controls a specific lip muscle. The goal was to see which approach reduces gum show more effectively and lasts longer with less relapse over 6 months.

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

Mar 2023

Finished

Mar 2025

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 38 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: 1. Adult patients aged between 18 and 38 years. 2. Gummy smile ranging between 4 and 6 mm, due to short upper lip and hyperactive lip elevator muscles (lip mobility \>8 mm). 3. Good periodontal health based on the examination of the gingival inflammation index, bleeding index, and probing the depth of gingival pockets. 4. Healthy patients or people with well-controlled systemic disease. Exclusion Criteria: 1. Smokers. 2. Pregnant or lactating women. 3. Less than 3 mm of attached gingiva that might create difficulties in flap design, stabilization, and suturing. 4. Vertical maxillary excess of more than 6 mm. 5. Poorly controlled systemic diseases that preclude local anesthesia. 6. Altered passive eruption, which needs gingivectomy or an apically positioned flap. 7. Skeletal causes of gummy smile as protruded maxilla.

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Conditions

The condition(s) this trial relates to.

gingival overgrowth Patient Satisfaction

As listed by the trial registrant

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

Excessive gingival display Gummy smile due to hypermobile upper lip

Contacts and locations

Locations

  • Periodontology Clinic in Suez Canal University

    Cairo, Egypt, 1234, Egypt

  • Periodontology Clinic in Suez Canal University

    Ismailia, Ismailia Governorate, 1234, Egypt

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