NCT07301918 Leaf Expander Versus Hyrax Expander in Mixed Dentition Patients With Posterior Crossbite.
| NCT ID | NCT07301918 |
| Status | Recruiting |
| Phase | — |
| Sponsor | Cairo University |
| Condition | Posterior Crossbite |
| Study Type | INTERVENTIONAL |
| Enrollment | 30 participants |
| Start Date | 2025-10-01 |
| Primary Completion | 2027-03 |
Eligibility & Interventions
Eligibility Fast-Check
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What to Expect as a Participant
You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.
This trial targets 30 participants in total. It began in 2025-10-01 with a primary completion date of 2027-03.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
Design: Two-arm parallel randomized clinical trial in mixed dentition (6-12 years). Arms: (1) 9 mm, 900 g leaf expander; (2) 9 mm Hyrax expander. Follow-up: From appliance insertion → completion of intended expansion → 6-month retention. Primary outcome: Pain perception during the first 7 days post-insertion (daily patient-reported scale). Secondary outcomes: Skeletal and dental changes on CBCT.
Eligibility Criteria
Inclusion Criteria: * Male and female patients * Mixed dentition stage * Unilateral or bilateral posterior crossbite. * Patients in prepubertal stage with cervical vertebral maturation stage 1-3. * Fully erupted maxillary and mandibular permanent first molars. * Skeletal class I or II. Exclusion Criteria: * Previous orthodontic treatment. * Missing teeth. * Inadequate oral hygiene. * Patients with bad oral habits. * Patients with medical conditions. * Patients with cleft lip and palate.
Frequently Asked Questions
Who can join the NCT07301918 clinical trial?
This trial is open to participants of all sexes, aged 6 Years or older, up to 12 Years, studying Posterior Crossbite. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
Is NCT07301918 currently recruiting?
Yes, NCT07301918 is actively recruiting participants. Visit ClinicalTrials.gov or contact Cairo University to inquire about joining.
Where is the NCT07301918 trial being conducted?
This trial is being conducted at Cairo, Egypt.
Who is sponsoring the NCT07301918 clinical trial?
NCT07301918 is sponsored by Cairo University. The trial plans to enroll 30 participants.