A Comparative Study Between Modified Miniscrew-Assisted Rapid Palatal Expander And Modified Rapid Palatal Expander in Molar Distalization Using Cone- Beam Computed Tomography (MIDPAC)

Al-Azhar University

Status: Active, not recruiting

Conditions: Malocclusion, Class I/II; Crowding; Maxillary First Molar Distalization

Treatments: Device: Group A: Modified Miniscrew-Assisted Rapid Palatal Expander (MARPE); Device: Group B: Modified Rapid Palatal Expander (RPE)

Study type: Interventional

Funder types: Other

Identifiers

NCT07038902

MIDPAC-AZU-2025 (Registry Identifier)

MMARPE-MRPE-CBCT-DISTAL2025-AZ

Details and patient eligibility

About

Comparative study between modified miniscrew-assisted rapid palatal expander and modified rapid palatal expander in molar distalization using CBCT.

Full description

This research will be conducted as a prospective and randomized clinical trial.

Enrollment: 24 estimated patients

Sex: All

Ages: 14 to 20 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Presence of permanent dentition
• Skeletal Class I
• Dental Class II molar relationship with moderate dental crowding
• Crowding >4mm
• Good oral hygiene
• Healthy periodontal condition

Exclusion criteria

• Presence of craniofacial syndromes or cleft palate
• History of previous orthodontic treatment
• Poor oral hygiene or active periodontal disease
• Contraindications to CBCT imaging (e.g., pregnancy, inability to remain still during the scan)

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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24 participants in 2 patient groups

Modified Miniscrew-Assisted Rapid Palatal Expander (MARPE)

Experimental group

Treatment:

Device: Group A: Modified Miniscrew-Assisted Rapid Palatal Expander (MARPE)

Modified Rapid Palatal Expander (RPE)

Experimental group

Treatment:

Device: Group B: Modified Rapid Palatal Expander (RPE)