Evaluation of Two Approaches of Micro-osteoperforations (MOPs) During Orthodontic Canine Retraction
NCT ID: NCT04868721
Last Updated: 2022-06-16
Study Results
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Basic Information
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COMPLETED
NA
18 participants
INTERVENTIONAL
2020-11-11
2022-06-14
Brief Summary
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Detailed Description
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This study was conducted on a total sample of 36 canines of 18 patients, 15-22 years old who required therapeutic extraction of maxillary 1st premolars and canine retraction. They were selected randomly from the Outpatient Clinic, Department of Orthodontics, Faculty of Dental Medicine (Boys), Al-Azhar University, Cairo, Egypt.
they were randamly dived into two groups:as follows: Group I: include 9 patients , MOPs were performed for one time only on one side before retraction.
Group II: include 9 patients , MOPs were performed on repeated basis on one side.
Both maxillary canines, in each patient, were randomly assigned to either an experimental side or the control side in a simple split-mouth design. In the experimental side, micro-osteoperforations was performed distal to the maxillary canine at equal distance between maxillary canine and 2nd premolar before starting retraction, while the canines in the contralateral control side were retracted without micro-osteoperforations.
Extraction was done at the start of the treatment, and before fitting of the orthodontic appliance. Then upper dental arches were leveled and aligned using conventional sequences of wires.
Three flapless micro-osteoperforations was performed by using orthodontic miniscrews distal to the maxillary canines in the experimental side before starting retraction. Each perforation was 1.6 mm in diameter and 3-4 mm depth into the bone. Canines were completely retracted on 0.016 × 0.022 ̋ stainless steel wires by using closed coil spring delivered 150 gm force.
Patients were followed up every 28 days for 4 months of canine retraction. Routine orthodontic records were obtained for each patient before treatment.
Additionally, a full skull CBCT images were taken before treatment and immediately after canine retraction.
The rate of canine retraction was assessed clinically; in addition, cone beam CT (CBCT) scans were used to assess the amount of canine retraction root length changes. Also anchorage loss of first permanent molars were assessed.
The treatment results were compared clinically and radiographically (CBCT).
Conditions
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Study Design
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RANDOMIZED
PARALLEL
OTHER
NONE
Study Groups
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control side
Conventional side Canine retraction was commenced without micro-osteoperforations.
No interventions assigned to this group
single Micro-osteoperforations side
Three flapless micro-osteoperforations (MOPs) was performed for one time only distal to the maxillary canine before starting retraction.
micro-osteoperforations
three flapless micro-osteoperforations was performed distal to the maxillary canine before starting retraction.
Multiple Micro-osteoperforations side
Three flapless micro-osteoperforations (MOPs) was performed on repeated basis distal to the maxillary canine evey 28 days before canine retraction.
micro-osteoperforations
three flapless micro-osteoperforations was performed distal to the maxillary canine before starting retraction.
Interventions
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micro-osteoperforations
three flapless micro-osteoperforations was performed distal to the maxillary canine before starting retraction.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
2. Malocclusion cases that require maxillary first premolars extractions followed by symmetrical canine retraction.
3. All permanent teeth present, 3rd molars are excluded.
4. Good oral and general health.
5. No systemic disease/medication that could interfere with OTM.
6. No previous orthodontic treatment.
Exclusion Criteria
2. Poor oral hygiene or periodontally compromised patient.
3. Patient with craniofacial anomalies or previous history of trauma, bruxism or parafunctions.
4. Previous orthodontic treatment.
15 Years
22 Years
ALL
No
Sponsors
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Al-Azhar University
OTHER
Responsible Party
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Bassem Atef Hassan Ahmed
Dentist, Ministry of Health-Egypt
Locations
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Al azhar university
Cairo, , Egypt
Countries
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Other Identifiers
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535/1147
Identifier Type: -
Identifier Source: org_study_id
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