# Gingival Response and Marginal Adaptation of Zirconia Crowns With Two Subgingival Margin Designs

> **NCT04729569** · NA · UNKNOWN · sponsor: **Cairo University** · enrollment: 30 (estimated)

## Conditions studied

- Gingival Recession, Localized

## Interventions

- **PROCEDURE:** Feather edge finish line preparation
- **PROCEDURE:** Deep chamfer finish line preparation

## Key facts

- **NCT ID:** NCT04729569
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-11-01
- **Primary completion:** 2022-11-01
- **Final completion:** 2022-12-01
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2021-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04729569

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04729569, "Gingival Response and Marginal Adaptation of Zirconia Crowns With Two Subgingival Margin Designs". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04729569. Licensed CC0.

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