# Validity of Ashley Howe's Analysis for the Prediction of the Extraction Treatment Decision in Orthodontic Patients at the Permanent Dentition Stage

> **NCT07660146** · — · RECRUITING · sponsor: **Cairo University** · enrollment: 50 (estimated)

## Conditions studied

- Dental Crowding

## Interventions

- **DIAGNOSTIC_TEST:** Ashley Howe's Analysis

## Key facts

- **NCT ID:** NCT07660146
- **Lead sponsor:** Cairo University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2026-02-01
- **Primary completion:** 2027-02-01
- **Final completion:** 2027-02-01
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2026-06-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07660146

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07660146, "Validity of Ashley Howe's Analysis for the Prediction of the Extraction Treatment Decision in Orthodontic Patients at the Permanent Dentition Stage". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07660146. Licensed CC0.

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