New study tests Chin-Plate device against facemask for underbite correction

NCT ID NCT07383259

Not yet recruiting Disease control Sponsor: Universidad Complutense de Madrid Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two ways to correct an underbite (Class III malocclusion) in children whose jaws are still growing. One method uses a facemask attached to a tooth-borne expander, while the other uses a chin-plate anchored to the bone with small screws. Researchers will measure changes in jaw alignment using X-rays. The goal is to see which approach works better for improving the bite.

What this could mean

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

Active substance: Tooth-borne expander with facemask or hybrid skeletal anchorage expander with chin-plate
What this could lead to: If successful, this could show that a chin-plate device is more effective than a facemask for correcting jaw alignment in children with Class III malocclusion.
What could go wrong: This is a small, non-randomized study with only 36 participants, so results may not apply to everyone. It is also retrospective, meaning it looks back at past data, which can introduce bias.

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Conditions

The condition(s) this trial relates to.

autosomal dominant prognathism

As listed by the trial registrant

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

SKELETAL CLASS III MALOCCLUSION

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