# An in Vivo Comparison of the Debridement Efficiency of Needle Irrigation Versus Ultrasonic Irrigation

> **NCT00806273** · NA · WITHDRAWN · sponsor: **Oregon Health and Science University**

## Conditions studied

- Extirpation of the Tooth Pulp

## Interventions

- **DEVICE:** Vista Ultrasonic Bleach Bypass System
- **DEVICE:** Needle Irrigation

## Key facts

- **NCT ID:** NCT00806273
- **Lead sponsor:** Oregon Health and Science University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2009-01
- **Primary completion:** 2009-11
- **Final completion:** 2009-11
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Manufacturer changed device so no study will be done; ie it was never started
- **Last updated:** 2019-06-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00806273

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00806273, "An in Vivo Comparison of the Debridement Efficiency of Needle Irrigation Versus Ultrasonic Irrigation". Retrieved via AI Analytics 2026-07-29 from https://api.ai-analytics.org/clinical/NCT00806273. Licensed CC0.

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