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this study is to compare the dental and skeletal changes caused by the intrusion of maxillary first molars buccal miniscrew and TPA versus vertical holding appliance using lateral cephalometry.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Buccal miniscrews with TPA | Active Comparator | active comparator double center |
|
| vertical holding appliance | Active Comparator | active comparator double center |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| buccal miniscrew and TPA | Biological | intrusion of molars |
| |
| Measure | Description | Time Frame |
|---|---|---|
| amount of dental | rate of maxillary molar intrusion by cephalometry | Post-intervention at 6 months |
| amount of skeletal changes | amount of vertical overlap by cephalometry | Post-intervention at 6 months |
| amount of skeletal changes | amount of mandibular rotation by cephalometry | Post-intervention at 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Mohamed Shendy | Cairo | Nasr City | 002 | Egypt |
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| vertical holding appliance |
| Biological |
intrusion of molars |
|