Leaf Expander Versus Hyrax Expander in Mixed Dentition Patients with Posterior Crossbite: A Randomized Clinical Trial.

Evaluation of the Effects of the Leaf Expander Versus Hyrax Expander in Mixed Dentition Patients with Posterior Crossbite: A Randomized Clinical Trial.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202511464211447

Enrollment

Registered

2025-11-03

Start date

2025-12-01

Completion date

Unknown

Last updated

2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Hyrax expander

The Leaf expander

Eligibility

Sex/Gender

All

Inclusion 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

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.

Design outcomes

Primary

Measure	Time frame
Pain perception during the first week after insertion using Wong-Becker faces scale	—

Secondary

Measure	Time frame
skeletal and dental changes, linear and and angular skeletal and dental measurements using Cone Beam Computed Tomography	—

Countries

Egypt

Contacts

Public ContactFoaad AlSharaby

Orthodontic Consultant

fsharaby@dentistry.cu.edu.eg00201223421238

Outcome results