# Long-term Outcomes of Tunnel Technique

> **NCT04016493** · — · COMPLETED · sponsor: **University of Liege** · enrollment: 40 (actual)

## Conditions studied

- Recession, Gingival

## Interventions

- **PROCEDURE:** Connective tissue graft

## Key facts

- **NCT ID:** NCT04016493
- **Lead sponsor:** University of Liege
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2013-01
- **Primary completion:** 2014-01
- **Final completion:** 2019-01
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2019-07-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04016493

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04016493, "Long-term Outcomes of Tunnel Technique". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04016493. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*