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Dentoskeletal Effects of 3D-Printed Fixed Twin Block Versus MARA Appliances in Management of Skeletal Class II

RecruitingNAAges 9 Years - 14 YearsAllMansoura University
NCT07340242 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Objective: to evaluate the dentoskeletal effects of CAD/CAM 3D-Printed fixed twin block versus MARA appliances in the management of skeletal class II due to Mandibular Deficiency in Preadolescence Class II malocclusion is considered one of the most commonly observed problems among orthodontic patients, representing around one-third of the patients seeking orthodontic treatment reflecting a significant economic impact. Various removable and fixed functional appliances are commonly used to stimulate mandibular growth. Fixed Twin-block appliance has advantages compared with removable Twin-block and Herbst appliances. The mandibular anterior repositioning appliance is referred to as M.A.R.A. appliance. 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. S

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. Skeletal Class II malocclusion due to mandibular retrusion. 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: 1. Clinical signs and symptoms of temporomandibular disorder. 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.
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What it tests

  • MARA appliance
  • fixed twin block
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Where

1 site
Faculty of dentistry, Mansoura university
Al Mansurah, Egypt
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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