# Treatment Outcome of Clear Aligner and Traditional Fixed Appliances in Four Premolar Extraction Cases

> **NCT07236775** · NA · COMPLETED · sponsor: **Damascus University** · enrollment: 40 (actual)

## Conditions studied

- Malocclusion, Class I/II
- Crowding, Tooth

## Interventions

- **DEVICE:** Clear Aligners
- **DEVICE:** Traditional fixed appliances

## Key facts

- **NCT ID:** NCT07236775
- **Lead sponsor:** Damascus University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-11-10
- **Primary completion:** 2021-02-15
- **Final completion:** 2022-02-23
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2025-11-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07236775

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07236775, "Treatment Outcome of Clear Aligner and Traditional Fixed Appliances in Four Premolar Extraction Cases". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT07236775. Licensed CC0.

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