Gummy smile showdown: which surgery works best?

NCT ID NCT07334015

Completed Disease control Sponsor: Suez Canal University Source: ClinicalTrials.gov ↗

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.

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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

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