Airway Morphology After En-masse Retraction in Bimaxillary Protrusion Patients
NCT ID: NCT06197880
Last Updated: 2024-01-09
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
20 participants
INTERVENTIONAL
2022-07-20
2024-02-01
Brief Summary
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Detailed Description
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Methodology:
The patients were treated by using fixed appliance and extraction of four first premolars. Maximum anchorage was obtained by using miniscrews that were inserted between the maxillary first molars and second premolars. En masse retraction of the upper and lower anterior segments was carried out by using NiTi closed coil springs.
Cone beam computed tomography (CBCT) will be obtained before (T0) and after en masse retraction (T1). CBCT will be used for three-dimensional evaluation of the changes of the airway morphology after en masse retraction of the upper and lower anterior segments with maximum anchorage.
The results will be obtained and statistically evaluated.
Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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Bimaxillary protrusion
En masse retraction
Anterior teeth retraction
En masse retraction of the upper and lower anterior segments using maximum anchorage
Interventions
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Anterior teeth retraction
En masse retraction of the upper and lower anterior segments using maximum anchorage
Eligibility Criteria
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Inclusion Criteria
2. Age: 18 - 35 years old.
3. Fair oral hygiene.
Exclusion Criteria
2. Systemic diseases or medications that alter bone metabolism.
18 Years
35 Years
ALL
No
Sponsors
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Beni-Suef University
OTHER
Responsible Party
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Rehab Abd El Razek Abd El Aziz Khalil
Lecturer of Orthodontics
Principal Investigators
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Rehab Khalil
Role: PRINCIPAL_INVESTIGATOR
Faculty of Dentistry Beni Suef University
Locations
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Faculty of Dentistry Beni Suef University
Banī Suwayf, , Egypt
Countries
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References
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Valiathan M, El H, Hans MG, Palomo MJ. Effects of extraction versus non-extraction treatment on oropharyngeal airway volume. Angle Orthod. 2010 Nov;80(6):1068-74. doi: 10.2319/010810-19.1.
Wang Q, Jia P, Anderson NK, Wang L, Lin J. Changes of pharyngeal airway size and hyoid bone position following orthodontic treatment of Class I bimaxillary protrusion. Angle Orthod. 2012 Jan;82(1):115-21. doi: 10.2319/011011-13.1. Epub 2011 Jul 27.
Chen Y, Hong L, Wang CL, Zhang SJ, Cao C, Wei F, Lv T, Zhang F, Liu DX. Effect of large incisor retraction on upper airway morphology in adult bimaxillary protrusion patients. Angle Orthod. 2012 Nov;82(6):964-70. doi: 10.2319/110211-675.1. Epub 2012 Mar 30.
Other Identifiers
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# REC-FDBSU/07072022-01/AR
Identifier Type: -
Identifier Source: org_study_id
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