Validity of Ashley Howe's Analysis for the Prediction of the Extraction Treatment Decision in Orthodontic Patients at the Permanent Dentition Stage
1 other identifier
observational
50
1 country
1
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
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Feb 2026
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2026
CompletedFirst Submitted
Initial submission to the registry
June 13, 2026
CompletedFirst Posted
Study publicly available on registry
June 22, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
February 1, 2027
June 22, 2026
June 1, 2026
1 year
June 13, 2026
June 17, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Value of the Ashly Howe's analysis measured on digital models comapring the basal bone width versus total tooth material.
Baseline
Interventions
It's a cast analysis method to corelate the amount of tooth material to the size of the basal bone.
Eligibility Criteria
Maxillary models of cases with malocclusion.
You may qualify if:
- Maxillary models of cases with malocclusion.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Cairo Universitylead
Study Sites (1)
Faculty of Dentistry-Cairo University
Cairo, Giza Governorate, 00202, Egypt
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- CASE ONLY
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor
Study Record Dates
First Submitted
June 13, 2026
First Posted
June 22, 2026
Study Start
February 1, 2026
Primary Completion (Estimated)
February 1, 2027
Study Completion (Estimated)
February 1, 2027
Last Updated
June 22, 2026
Record last verified: 2026-06