Digital vs. plaster: can 3D scans replace traditional dental casts?

NCT ID NCT07745855

Completed Knowledge-focused Sponsor: Al-Azhar University Source: ClinicalTrials.gov ↗

First seen Aug 04, 2026 · Last updated Aug 06, 2026 · Updated 2 times

Summary

This study asks whether 3D digital models can measure dental crowding as accurately and reliably as traditional plaster models. Researchers will compare Little's Irregularity Index scores from digital scans, plaster model photos, and intra-oral photos in 20 people with mild to moderate crowding and Class I malocclusion. The goal is to see if digital methods can be trusted for routine orthodontic assessment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If digital models prove as reliable as plaster ones, dentists may be able to assess dental crowding more quickly and conveniently without physical casts.
What could go wrong: This is a small study with only 20 participants, so results may not apply broadly. It focuses on measurement accuracy, not treatment outcomes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Crowding Malocclusion, Angle Class I

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

DENTAL CROWDING MALOCCLUSION, ANGLE CLASS I

Contacts and locations

Locations

Faculty of Dentistry

Cairo, Nasr City, 11884, Egypt

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