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

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT07660146

Enrollment

Registered

2026-06-22

Start date

2026-02-01

Completion date

2027-02-01

Last updated

2026-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Dental Crowding

Brief summary

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

Interventions

DIAGNOSTIC_TESTAshley Howe's Analysis

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

Study design

Observational model

CASE_ONLY

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

12 Years to No maximum

Healthy volunteers

Inclusion criteria

* Maxillary models of cases with malocclusion.

Exclusion criteria

Design outcomes

Primary

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

Countries

Egypt

Contacts

CONTACTMohamed Abd-El-Ghafour, PhD

m.abdelghafour@dentistry.cu.edu.eg+201007433288

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 23, 2026