NCT06875037

Patient-related Outcomes When Accelerating Upper Canine Retraction With Fixed Orthodontic Appliances

Patient-reported Outcomes of Accelerated Upper Canine Retraction With Low-amperage Electrical Stimulation: A Randomized Controlled Trial

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 40 (actual)
• Sponsor: Damascus University · Academic / Other
• Sex: All
• Age: 17 Years – 25 Years
• Healthy volunteers: Not accepted

Summary

Patients will be screened in the Orthodontics Department of the Faculty of Dentistry, Damascus University, and those who meet the inclusion criteria will be included. Then, the initial diagnostic records (diagnostic plaster casts, intra- and extra-oral photographs, and radiographs) will be studied to ensure the selection criteria are accurately met. This study aims to compare two groups of patients with Class II malocclusion. Experimental Group: Patients in this group will undergo maxillary canine retraction using the traditional sliding technique with fixed appliances, supplemented by electrical current stimulation. Control Group: Patients in this group will undergo maxillary canine retraction using the traditional sliding technique with fixed appliances, without any acceleration method.

Detailed description

Maxillary canine retraction can be lengthy, and various methods have been employed to accelerate it. Electrical current stimulation has shown promise as a technique for speeding up tooth movement. However, only a limited number of studies have been documented in the literature. Controlled clinical studies are necessary to evaluate the effectiveness of this procedure in accelerating tooth movement, its impact on pain responses, and other patient-centred outcomes. Participants will be selected from patients attending the Orthodontics Department at the Faculty of Dentistry, Damascus University. Eligible patients with Class II/Division I malocclusion who meet the inclusion criteria will be invited to participate in this trial after being screened by the researcher. Informed consent will be obtained from all patients who agree to join the study after receiving an information sheet. Alignment and leveling will be performed using pre-adjusted fixed orthodontic appliances consisting of 0.022 x 0.028-inch metal brackets with the MBT prescription. The traditional wiring sequence will be followed until a 0.019 x 0.025-inch stainless steel base wire is in place. Maxillary first premolars will be extracted during the leveling and alignment phase, with more than two months between the completion of the alignment phase and the extraction. This ensures that the phenomenon of regional acceleration generated by the extraction does not affect the rate of tooth movement. Canine retraction will be achieved using closed-coil nickel-titanium (NiTi) springs extending from the upper first molar band hook to the canine bracket hook. A force of 150 grams will be applied to each side, and the force will be checked using a force meter at each appointment (every two weeks) until the canine retraction is complete, achieving a Class I canine relationship. A small electrical current will be applied to the upper maxillary canine area using a removable intraoral appliance containing a micro electrical circuit. Each patient in the experimental group will be asked to wear the electrical accelerator in their mouth for 5 hours daily.

Conditions

• Class II Division 1 Malocclusion

Interventions

Type	Name	Description
DEVICE	Electric stimulation removable appliance	The device will be used with the fixed appliance to accelerate orthodontic tooth movement (i.e., canine retraction).
PROCEDURE	Traditional orthodontic fixed appliance without accleration	The traditional method of canine retraction will be employed using fixed appliances. No additional appliances will be used to activate orthodontic tooth movement.

Timeline

• Start date: 2023-05-01
• Primary completion: 2024-04-06
• Completion: 2024-12-01
• First posted: 2025-03-13
• Last updated: 2025-03-20

Locations

1 site across 1 country: Syria