An observational study in Dental Crowding, sponsored by Cairo University. Recruiting at 1 site in Egypt. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2026-06-22.
Sponsored by Cairo University · Observational
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
88 studies on the registry are indexed under Crowding; 22 are open to participants now.
This study's planned enrollment of 50 is below the median of 664 across 14 observational studies indexed under Crowding.
Browse Crowding studies →Cairo University is the lead sponsor of 4,941 studies on the registry; 1,458 are open to participants now.
Of its 37 completed or terminated interventional studies of FDA-regulated products, 5 (14%) have results posted.
Counted across the registry records on this site, refreshed daily.
Maxillary models of cases with malocclusion.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
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It's a cast analysis method to corelate the amount of tooth material to the size of the basal bone.
Value of the Ashly Howe's analysis measured on digital models comapring the basal bone width versus total tooth material.
Time frame: Baseline
Started Feb 2026 (actual). Primary completion is estimated for Feb 2027, 12 months after the start.
How these figures are worked out, and which studies are left out of them.
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
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Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.