# Evaluation of Treatment Duration of En-masse Versus Two Steps Retraction in Patients Having Maxillary Protrusion

> **NCT04921579** · NA · COMPLETED · sponsor: **Future University in Egypt** · enrollment: 30 (actual)

## Conditions studied

- Bimaxillary Protrusion

## Interventions

- **PROCEDURE:** En masse retraction
- **PROCEDURE:** Two-Step retraction

## Key facts

- **NCT ID:** NCT04921579
- **Lead sponsor:** Future University in Egypt
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-12-15
- **Primary completion:** 2021-01-21
- **Final completion:** 2021-01-21
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2021-06-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04921579

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04921579, "Evaluation of Treatment Duration of En-masse Versus Two Steps Retraction in Patients Having Maxillary Protrusion". Retrieved via AI Analytics 2026-07-04 from https://api.ai-analytics.org/clinical/NCT04921579. Licensed CC0.

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