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This study will be carried out to asses root resorption and alveolar bone changes in the maxillary canine retraction using NiTi closed-coil springs versus elastomeric chains with cone beam CT
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group1: Elastomeric chains will be used on the right side, and NiTi closed-coil springs will be use | Experimental |
| |
| Group2: NiTi closed-coil springs will be used on the right side, Elastomeric chains will be used on | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Twenty-Two adult Patients who indicated for bilateral maxillary first premolar extraction will be randomly assigned into two equal group. | Procedure | Group1: Elastomeric chains will be used on the right side, and NiTi closed-coil springs will be used on the left side. Group2: NiTi closed-coil springs will be used on the right side, Elastomeric chains will be used on the left side. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Apical Root Length After Canine Retraction | Measurement of apical root length (in millimeters) using CBCT images at T1 and T2 to assess root resorption on both retraction methods. | Baseline (prior to canine retraction) and 6 months after retraction |
| Change in Alveolar Bone Thickness After Canine Retraction | Quantitative measurement of alveolar bone thickness (in millimeters) using CBCT images taken at baseline (T1) and post-treatment (T2) in both NiTi closed-coil spring and elastomeric chain sides. | Baseline (prior to canine retraction) and 6 months after retraction |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Probing Depth | Measurement of probing depth (in millimeters) on both sides at baseline and 6 months | Baseline and 6 months post-treatment |
| Change in Plaque Index | Scoring of plaque accumulation using the Silness-Löe Plaque Index (score range: 0 to 3; higher score = worse outcome) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ahmed Mohamed Hassan Mahdy, Bds | Contact | +201119808935 | Ah4723045@gmail.com |
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De-identified individual participant data (IPD), including CBCT-based measurements of alveolar bone height and root resorption, will be shared. Data will be available beginning 6 months after study completion via a secure external repository (link will be provided in the References section). Access will be granted to researchers upon request and subject to approval.
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|
| Canin retraction with NiTi Closed-Coil Springs and elastomeric chains | Procedure | Comparison between canine retraction using NiTi closed-coil springs versus elastomeric chains |
|
| Baseline and 6 months post-treatment |
| Change in Bleeding Index | Evaluation using the Gingival Bleeding Index (score range: 0 to 3; higher score = worse outcome) | Baseline and 6 months post-treatment |
| ID | Term |
|---|---|
| D012391 | Root Resorption |
| ID | Term |
|---|---|
| D014091 | Tooth Resorption |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
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