# Comparison of Sample Biopsy Using Scalpel or Er:YAG Laser

> **NCT03638973** · NA · UNKNOWN · sponsor: **University of Zurich** · enrollment: 44 (estimated)

## Conditions studied

- Laser Burn
- Gingival Disease
- Biopsy Wound

## Interventions

- **PROCEDURE:** Biopsy

## Key facts

- **NCT ID:** NCT03638973
- **Lead sponsor:** University of Zurich
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-11-01
- **Primary completion:** 2019-11-01
- **Final completion:** 2020-11-01
- **Target enrollment:** 44 (ESTIMATED)
- **Last updated:** 2018-10-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03638973

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03638973, "Comparison of Sample Biopsy Using Scalpel or Er:YAG Laser". Retrieved via AI Analytics 2026-09-03 from https://api.ai-analytics.org/clinical/NCT03638973. Licensed CC0.

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