RecruitingNot Applicable

Clear Orthodontic Expander Versus Hyrax

Iraq40 participantsStarted 2026-02-01

Plain-language summary

This study will be conducted to evaluate the effectiveness of a clear expander fabricated from 2-mm biocompatible polyethylene terephthalate glycol (PETG) thermoforming material integrated with an expansion screw in achieving dental and skeletal expansion in adolescent patients, compared with the conventional Hyrax expander.

Who can participate

Age range10 Years – 14 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

✓. Patients' age at the start of treatment will range from 10-14 years.
✓. Unstable unilateral or bilateral posterior crossbite due to maxillary constriction.
✓. The first molars are fully erupted.
✓. Good oral health free from caries and periodontal problems at the start of treatment.
✓. Good general health.

Exclusion criteria

✕. Patients with obvious facial asymmetry.
✕. Patients with orofacial cleft.
✕. Patients with previous orthodontic treatment.
✕. Patients with bad oral habits.
✕. Patients with active periodontal disease.

What they're measuring

CBCT evaluation

Timeframe: pre-treatment (T0) and immediately post-treatment (T1) around one to two months

Trial details

NCT IDNCT07362160

SponsorUniversity of Baghdad

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2026-11-01

Contact for this trial

Noor FK Al-Khawaja, BDS, MSc

+9647712222834 noor.alkhawaja@codental.uobaghdad.edu.iq

View on ClinicalTrials.gov More Malocclusion trials