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Gummy smile showdown: which surgery works best?

NCT ID NCT07334015

Disease control 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed trial tested two surgical procedures to reduce a gummy smile (excessive gum display when smiling). Sixteen women aged 18 to 30 received either a modified lip repositioning surgery or a Z-plasty frenectomy. Researchers measured how much the gum show decreased, pain levels, and how satisfied patients were. The goal was to find which technique offers better results and recovery.

What this could mean

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

Active substance
surgical procedure (modified lip repositioning or z plasty frenectomy)
What this could lead to
If successful, this could point toward a more effective surgical option for reducing gummy smiles with less pain and higher patient satisfaction.
What could go wrong
This is a very small, completed trial with only 16 participants, so results may not apply to everyone. As with any surgery, risks include pain, infection, and relapse of the gummy smile.

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

16 people

The number who actually took part.

Started

Sep 2024

Finished

Nov 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 30 years

Sex

Female participants only

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: * Female patients aged 18 to 30 years * ASA physical status I or II * Presence of excessive gingival display (gummy smile) * Indication for surgical treatment of excessive gingival display * Willingness to participate and attend follow-up visits Exclusion Criteria: * Poor oral hygiene * Patients with active acute infection * Patients with poor oral habits * Pregnant or lactating women * Heavy smokers * Alcohol or drug addicts

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Conditions

The condition(s) this trial relates to.

gingival overgrowth

As listed by the trial registrant

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

Excessive gingival display

Contacts and locations

Locations

  • Suez Canal University

    Ismailia, Egypt

More trials for these conditions

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