Which bracket placement method gives the best smile? trial compares three techniques
NCT ID NCT07708363
First seen Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time
Summary
This trial compares three ways of placing braces brackets — Smile Arc Protection, Smile Arc and Marginal Ridge Approach, and the standard MBT chart — in young people aged 14 to 25 with mild-to-moderate crowding and Class I malocclusion. The goal is to see which technique leads to the best tooth alignment, bite, and smile esthetics after treatment. Participants are randomly assigned to one of the three methods, and results are measured using dental casts, X-rays, and smile photos.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- orthodontic bracket positioning techniques (Smile Arc Protection, Smile Arc and Marginal Ridge Approach, and McLaughlin-Bennett-Trevisi chart)
- What this could lead to
- If one technique proves superior, it could lead to more predictable and esthetic orthodontic results for patients with crowding.
- What could go wrong
- This is a small trial with 39 participants, so results may not apply to all patients. The differences between techniques might be small and not clinically meaningful.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Department of Orthodontics, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo, Egypt
New Cairo, Cairo Governorate, 11835, Egypt
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