Study Results
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Basic Information
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COMPLETED
PHASE1
20 participants
INTERVENTIONAL
2012-07-31
2015-03-31
Brief Summary
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Detailed Description
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The inclusion criteria in this subject selection in this study was as follows;
1. All the subjects had an age range from 11 to 16 years with a mean of ±13.5 years.
2. All the subjects had skeletal Class 1 or mild skeletal Class 2 due to maxillary excess.
3. All the subjects had bilateral Class II molar relationship.
4. All subjects were free from any dental anomalies.
5. All subjects had good oral hygiene. The exclusion criteria in this study was as follows; 1- Missing permanent teeth with exception of 3rd molar. 2- Previous orthodontic treatment. 3- Systemic disease that may influence orthodontic treatment and drug intake. 4- Periodontal disease. 5- Functional mandibular deviations and facial asymmetry. 6- History of parafunctional habits.
The subjects were equally and randomly divided into two groups; group A and group B which included ten subjects per group. These groups were classified according to the type of distalizer utilized:
* Group A: included ten subjects utilizing the conventional frog molar distalizing appliance (CF).
* Group B: included ten subjects utilizing the Miniscrews-supported frog molar distalizing appliance (MSF)
The pretreatment and post-distalization Database Records All subjects had the following records; a clinical diagnostic sheet, orthodontic study cast (according to ABO index), extraoral and intraoral photographs, and CBCT.
These records were obtained at T1 before distalization and at T2 after distalization.
The study protocol was approved by the local ethics committee, faculty of dentistry, Ain-Shams University. Before commencing with treatment, all the subjects and their guardians received a full explanation of the treatment protocol. After which they were asked to sign a detailed written consent.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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MS. Frog
miniscrew-supported frog molar distalizing appliance
miniscrew-supported Frog molar distalizing appliance
miniscrew 10mm length and 1.7mm diameter FORESTADENT company
Stand. Frog
Standard Frog appliance
Standard Frog molar distalizing appliance
Nance buttons attached to first premolars band
Interventions
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miniscrew-supported Frog molar distalizing appliance
miniscrew 10mm length and 1.7mm diameter FORESTADENT company
Standard Frog molar distalizing appliance
Nance buttons attached to first premolars band
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
2. All the subjects had skeletal Class 1 or mild skeletal Class 2 due to maxillary excess.
3. All the subjects had bilateral Class II molar relationship.
4. All subjects were free from any dental anomalies.
5. All subjects had good oral hygiene.
Exclusion Criteria
2. Previous orthodontic treatment.
3. Systemic disease that may influence orthodontic treatment and drug intake.
4. Periodontal disease.
5. Functional mandibular deviations and facial asymmetry.
6. History of parafunctional habits.
11 Years
16 Years
ALL
No
Sponsors
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Ain Shams University
OTHER
Responsible Party
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Riyadh Abdullah Iskander
PhD candidate, orthodontic department
Other Identifiers
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999
Identifier Type: -
Identifier Source: org_study_id
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