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

This study is to evaluate the validity of Ashley Howe's analysis for the prediction of the extraction treatment decision in orthodontic patients at the permanent dentition stage

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Key information

Conditions

Dental Crowding Behavior Crowding Spatial Behavior

Age range

12 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Faculty of Dentistry-Cairo University

Cairo, Giza Governorate, 00202, Egypt

Location status: Recruiting

Location contact

Mohamed Abd-El-Ghafour

CONTACT

[email protected]

01007433288

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Maxillary models of cases with malocclusion.

Exclusion criteria

Treatment and study plan

Ashley Howe's Analysis

Diagnostic Test

It's a cast analysis method to corelate the amount of tooth material to the size of the basal bone.

Primary outcomes

Value of the Ashly Howe's analysis measured on digital models comapring the basal bone width versus total tooth material.

Time frame: Baseline

Study contacts

Contact information is provided by the study sponsor or research team.

Mohamed Abd-El-Ghafour, PhD

CONTACT

[email protected]

+201007433288

Sponsors and collaborators

Lead sponsor

Cairo University

Other

Registry information

Important dates

Study start: 2026
Primary completion: 2027
Study completion: 2027
First posted: Jun 22, 2026
Registry last updated: Jun 22, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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