RCT for the Effectiveness of 3 Orthodontic Retention Schemes on Post-treatment Stability and Gingival Recession
NCT ID: NCT02742493
Last Updated: 2025-01-14
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ACTIVE_NOT_RECRUITING
NA
60 participants
INTERVENTIONAL
2016-03-16
2025-11-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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0.028 bonded to canines
lower fixed canine and canine retainer and upper removable Hawley (Intervention A)
0.028 bonded to canines
lower fixed canine and canine retainer (0.028 stainless steel bonded to canines) and upper removable Hawley (Intervention A)
0.027 7-strand bonded to all 6
lower fixed canine to canine retainer and upper removable Hawley (Intervention B)
0.027 7-strand bonded to all 6
lower fixed canine to canine retainer (7-strand Twistflex 0.027 bonded to all six anterior teeth) and upper removable Hawley (Intervention B)
removable Hawley-type
lower hawley-type and upper hawley removable retainer (Control)
removable Hawley-type
lower Hawley-type and upper Hawley removable retainer (Control)
Interventions
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0.028 bonded to canines
lower fixed canine and canine retainer (0.028 stainless steel bonded to canines) and upper removable Hawley (Intervention A)
0.027 7-strand bonded to all 6
lower fixed canine to canine retainer (7-strand Twistflex 0.027 bonded to all six anterior teeth) and upper removable Hawley (Intervention B)
removable Hawley-type
lower Hawley-type and upper Hawley removable retainer (Control)
Eligibility Criteria
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Inclusion Criteria
* Age between 10 and 16 years
* At the finishing stage of orthodontic treatment, programmed for debonding
* Class I to Class II molar relationship before the beginning of orthodontic treatment
* Non-extraction treatment plan with fixed straight-wire appliances
* Space deficiencies and irregularity of no more than 6mm in the maxillary/ mandibular arch (Irregularity Index)
Exclusion Criteria
* No congenital anomalies/ syndromes
10 Years
16 Years
ALL
Yes
Sponsors
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University of Athens
OTHER
Responsible Party
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Iosif Sifakakis
Associate Prof., Department of Orthodontics, School of Dentistry
Principal Investigators
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Iosif Sifakakis, Lecturer
Role: PRINCIPAL_INVESTIGATOR
National and Kapodistrian University of Athens
Locations
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Department of Orthodontics, School of Dentistry, University of Athens
Athens, Goudi, Greece
Countries
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Other Identifiers
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294
Identifier Type: -
Identifier Source: org_study_id
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