# Micro-surgical Treatment of Gummy Smile

> **NCT04401826** · NA · COMPLETED · sponsor: **Cairo University** · enrollment: 24 (actual)

## Conditions studied

- Pain, Postoperative

## Interventions

- **PROCEDURE:** Tunneling micro-surgical crown lengthening approach using piezo-surgery
- **PROCEDURE:** Micro-surgical crown lengthening approach using Piezosurgery

## Key facts

- **NCT ID:** NCT04401826
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-09-06
- **Primary completion:** 2021-12-06
- **Final completion:** 2022-06-06
- **Target enrollment:** 24 (ACTUAL)
- **Last updated:** 2023-07-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04401826

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04401826, "Micro-surgical Treatment of Gummy Smile". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04401826. Licensed CC0.

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