Dentoskeletal Effects of 3D-Printed Fixed Twin Block Versus MARA Appliances in Management of Skeletal Class II
NCT ID: NCT07340242
Last Updated: 2026-01-14
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
60 participants
INTERVENTIONAL
2025-04-27
2027-04-27
Brief Summary
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Materials and method: The study design is a randomized controlled trial in which the control group and intervention groups will be assessed as parallel groups with a 1:1:1 allocation ratio. Sixty subjects will be enrolled in this research. They will be divided equally into three groups: untreated control, MARA group and Twin block group
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Control group, who will be the untreated group.
No interventions assigned to this group
. MARA group, who will undergo MARA appliance
MARA appliance
CAD/CAM 3D printed mandibular anterior repositioning appliance
Fixed twin block group, who will undergo fixed twin block appliance
fixed twin block
CAD/CAM 3D printed fixed twin block
Interventions
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fixed twin block
CAD/CAM 3D printed fixed twin block
MARA appliance
CAD/CAM 3D printed mandibular anterior repositioning appliance
Eligibility Criteria
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Inclusion Criteria
2. Overjet ≥ 6.0 mm.
3. Normal or low-angle growth pattern.
4. Minimum crowding in the mandibular arch.
5. Undergoing circumpubertal phase of skeletal development (CVMI 2, 3, and 4)
Exclusion Criteria
2. Systemic disease affecting bone and general growth.
3. Previous orthodontic treatment
4. Cleft lip or palate.
5. Congenital craniofacial deformity.
6. Abnormal oral habits.
9 Years
14 Years
ALL
No
Sponsors
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Mansoura University
OTHER
Responsible Party
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Yasmin Ghaly
Assistant Lecturer
Locations
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Faculty of dentistry, Mansoura university
Al Mansurah, Dakahlia Governorate, Egypt
Countries
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Central Contacts
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Facility Contacts
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Role: primary
Other Identifiers
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MDP.25.03.5
Identifier Type: -
Identifier Source: org_study_id
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