# Effect of the Innovated Seifi's Functional Appliance on Skeletal and Dentoalveolar Changes of Class II/ 1, Deep Bite

> **NCT00688233** · PHASE1 · UNKNOWN · sponsor: **Shahid Beheshti University of Medical Sciences** · enrollment: 20 (estimated)

## Conditions studied

- Orthodontic Appliance Design
- Retrognathism
- Malocclusion, Angle Class II
- Deepbite

## Interventions

- **DEVICE:** Seifi's Functional

## Key facts

- **NCT ID:** NCT00688233
- **Lead sponsor:** Shahid Beheshti University of Medical Sciences
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2007-12
- **Primary completion:** 2008-10
- **Final completion:** 2009-05
- **Target enrollment:** 20 (ESTIMATED)
- **Last updated:** 2008-06-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00688233

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00688233, "Effect of the Innovated Seifi's Functional Appliance on Skeletal and Dentoalveolar Changes of Class II/ 1, Deep Bite". Retrieved via AI Analytics 2026-07-01 from https://api.ai-analytics.org/clinical/NCT00688233. Licensed CC0.

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