# Effects of Orthopedic Mandibular Advancement in Class II Division 1 Malocclusion on Pharyngeal Airway

> **NCT04255511** · NA · COMPLETED · sponsor: **Mansoura University** · enrollment: 50 (actual)

## Conditions studied

- ClassII Division 1 Malocclusion
- Mandibular Retrognathism

## Interventions

- **DEVICE:** Twin Block
- **DEVICE:** Fixed orthodontic appliance

## Key facts

- **NCT ID:** NCT04255511
- **Lead sponsor:** Mansoura University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-12-10
- **Primary completion:** 2021-06-10
- **Final completion:** 2021-12-01
- **Target enrollment:** 50 (ACTUAL)
- **Last updated:** 2021-12-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04255511

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04255511, "Effects of Orthopedic Mandibular Advancement in Class II Division 1 Malocclusion on Pharyngeal Airway". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT04255511. Licensed CC0.

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