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The study evaluates the accuracy of indirect bonding using 3D printed transfer tray versus thermoformed transfer tray. Half of the brackets will be bonded indirectly using the 3D printed transfer tray and the other half will be bonded indirectly using the thermoformed transfer tray.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 3D printed transfer tray group | Experimental | Indirect bonding using digital 3D printed transfer tray |
|
| Thermoformed transfer tray group | Active Comparator | Indirect bonding using Thermoformed transfer tray |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Digital indirect bonding | Procedure | Indirect bonding of orthodontic attachments using digital 3D printed transfer tray |
|
| Measure | Description | Time Frame |
|---|---|---|
| Linear and angular Positioning of the brackets | To evaluate the transfer accuracy of the brackets by the two transfer trays by measuring the linear and angular differences in the brackets' positions before and after bonding. | Immediately after bonding |
| Measure | Description | Time Frame |
|---|---|---|
| Bonding failure of the brackets. | Evaluation of the bond failure by counting the number of detached brackets immediately and over a three months follow up period. | three months |
| Chair side time |
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Inclusion Criteria:
Exclusion Criteria:
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| Conventional indirect bonding | Procedure | Indirect bonding of orthodontic attachments using thermoformed transfer tray |
|
| Intraoral scanning | Procedure | Intraoral Scanning of the bonded brackets |
|
| Superimposition and evaluation | Procedure | superimposition of the brackets' positions before and after bonding and evaluation of the transfer accuracy |
|
To evaluate the chair side time of indirect bonding in each technique
| during the bonding procedure |