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| Name | Class |
|---|---|
| Al-Azhar University | OTHER |
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This comparative controlled clinical study aims to evaluate and compare the effectiveness of piezocision and low-level laser therapy (LLLT) as adjunctive interventions to accelerate orthodontic canine retraction. Participants will be randomly assigned to one of three groups: piezocision, LLLT, or a control group (no adjunctive procedure). The study will assess the impact of these interventions on the rate of tooth movement, the type of tooth movement, and patient experience.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Low-level laser therapy group | Experimental |
| |
| Piezocision group | Experimental |
| |
| Control group | No Intervention |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Low Level Laser Therapy | Procedure | On both right and left sides, LLLT will be performed at the beginning of canine retraction, after 3, 7, 14 days, and then every 14 days for a total four-month period. |
| Measure | Description | Time Frame |
|---|---|---|
| Rate of canine retraction | The rate of distal movement of the maxillary canine measured in millimeters per month (mm/month). | Four months from the beginning of maxillary canine retraction. |
| Measure | Description | Time Frame |
|---|---|---|
| Maxillary canine rotation and tipping. | Measured in degrees | Four months from the beginning of maxillary canine retraction. |
| Maxillary first molar mesial movement | Maxillary first molar mesial movement (measured in mm) |
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Inclusion Criteria:
Exclusion Criteria:
Discontinuation criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Hesham N Al-Qamhawy | Contact | 00201099767929 | heshamnabil96@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Farouk A Hussein, Professor | Professor in Orthodontics; Faculty of Dental Medicine, Boys, Cairo; Al-Azhar University | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Outpatient Clinics of the Department of Orthodontics, Faculty of Dental Medicine, Boys, Cairo, Al-Azhar University. | Recruiting | Cairo | Cairo Governorate | Egypt |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot | Yes | No | No | Study Protocol | Mar 2, 2026 | Mar 10, 2026 | Prot_000.pdf |
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| ID | Term |
|---|---|
| D008312 | Malocclusion, Angle Class II |
| D008311 | Malocclusion, Angle Class I |
| ID | Term |
|---|---|
| D008310 | Malocclusion |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
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| ID | Term |
|---|---|
| D028022 | Low-Level Light Therapy |
| D059745 | Piezosurgery |
| ID | Term |
|---|---|
| D053685 | Laser Therapy |
| D013812 | Therapeutics |
| D010789 | Phototherapy |
| D059708 | Ultrasonic Surgical Procedures |
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| Piezocision | Procedure | On both right and left sides, a minimally invasive flapless piezocision procedure will be performed each month from the beginning of the canine retraction for a total four-month period. |
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| Four months from the beginning of maxillary canine retraction. |
| Maxillary first molar rotatiob | (measured in degrees). | Four months from the beginning of maxillary canine retraction. |
| Patient-Reported Pain Intensity | Pain intensity will be measured using a 10-centimeter Visual Analogue Scale (VAS). The scale ranges from 0 to 10, where 0 represents "no pain" and 10 represents "the worst possible pain" . Therefore, higher scores indicate a worse outcome (greater pain intensity). | Four months from the beginning of maxillary canine retraction. |
| D013514 |
| Surgical Procedures, Operative |