# Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion

> **NCT07687927** · NA · COMPLETED · sponsor: **Al-Azhar University** · enrollment: 20 (actual)

## Conditions studied

- Skeletal Class II Malocclusion
- Mandibular Retrognathia

## Interventions

- **DEVICE:** Conventional Twin Block Appliance

## Key facts

- **NCT ID:** NCT07687927
- **Lead sponsor:** Al-Azhar University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-11-08
- **Primary completion:** 2025-12-23
- **Final completion:** 2025-12-24
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2026-07-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07687927

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07687927, "Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07687927. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*