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Extraction space consumption and overjet reduction after maxillary anterior enmasse retraction in orthodontics
The Relation between Extraction Space Consumption and Overjet Reduction during Maxillary Anterior En-Masse Retraction by Two Levels of Force Application
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Retraction with mini screw and power arm | Experimental | Ten patients will be treated with mini screw and power arm |
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| Retraction with mini screw and welded hook in main wire arch | Experimental | Ten patients will be treated with mini screw and welded hook in main wire arch |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Retraction of anterior teeth by putting miniscrews and power arm | Device | Enmasse retraction of upper anterior teeth after extraction of upper first permanent premolar on miniscrews and power arm |
| Measure | Description | Time Frame |
|---|---|---|
| extraction space consumption and amount of overjet reduction in millimeters. | Cone beam computed tomography and cast scanning | 2 years |
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Inclusion Criteria:
1. Young adult male and female patients (Age range from 18 to 25 years) with maxillary dental protrusion.
2. Patients with Angle class I or class II division I malocclusion with maxillary anterior teeth protrusion and proclination. 3. Skeletal class I. 4. Healthy compliant and motivated patient. 5. No missing of any tooth except wisdom teeth. 6. Good oral hygiene.
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Samir Abdo Ibrahem, Professor | Professor of orthodontics | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Omnia Megahed Hussein Hemeid | Cairo | Helwan | 002 | Egypt |
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| Retraction of upper anterior teeth by putting miniscrews and welded hooks in main wire arch | Device | Enmasse retraction of upper anterior teeth after extraction of upper first permanent premolars on miniscrews and welded hooks in main wire arch |
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