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To evaluate dentoalveolar changes of clear aligners versus fixed orthodontic appliances on skeletal class I non-extraction patients with dental crowding.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Non extraction crowding cases for clear aligner | Active Comparator |
| |
| Non extraction crowding cases for fixed orthodontic appliance | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Clear aligner | Device | Clear aligner |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Alveolar bone thickness | Alveolar bone thickness will be assessed in vestibular and oral sides, parallel to the cervical reference line (CRL) at 3 different evels and expressed in millimeters. | From date of randomization until the date of first documented acceptable teeth alignment, assessed up to 12 months. |
| Alveolar bone height | Alveolar bone height loss will be measured perpendicularly to the CRL in both vestibular and oral sides. It will be represented as the difference between pretreatment and post treatment distance from alveolar crest to the CRL, expressed in millimeters. | From date of randomization until the date of first documented acceptable teeth alignment, assessed up to 12 months. |
| Measure | Description | Time Frame |
|---|---|---|
| Comparison of transverse dental changes between the two groups. | Assessment of inter-molar and inter-canine widths | From date of randomization until the date of first documented acceptable teeth alignment, assessed up to 12 months. |
| Assessment of Apical root resorption |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of dentistry mansoura university | Al Mansurah | Egypt |
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| Fixed orthodontic appliance |
| Device |
Fixed orthodontic appliance |
|
comparison of root length changes after treatment |
| From date of randomization until the date of first documented acceptable teeth alignment, assessed up to 12 months. |
| ID | Term |
|---|---|
| D009968 | Orthodontic Appliances, Removable |
| D000077744 | Orthodontic Appliances, Fixed |
| ID | Term |
|---|---|
| D009967 | Orthodontic Appliances |
| D009970 | Orthodontics |
| D003813 | Dentistry |
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