# Evaluation of the Rate of En-masse Retraction in Orthodontic Patients With Maxillary Protrusion

> **NCT04902430** · NA · COMPLETED · sponsor: **Future University in Egypt** · enrollment: 30 (actual)

## Conditions studied

- Bimaxillary Protrusion

## Interventions

- **PROCEDURE:** Power chain and Crimpable hook for En-Masse Retraction
- **PROCEDURE:** T- Loop

## Key facts

- **NCT ID:** NCT04902430
- **Lead sponsor:** Future University in Egypt
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-12-29
- **Primary completion:** 2022-07-18
- **Final completion:** 2022-08-12
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2022-12-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04902430

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04902430, "Evaluation of the Rate of En-masse Retraction in Orthodontic Patients With Maxillary Protrusion". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04902430. Licensed CC0.

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