Status:
ENROLLING_BY_INVITATION
Three-Dimensional Evaluation of Pharyngeal Airway and Facial Dimension Changes in Skeletal Class II Patients Treated With Twin Block Versus Myobrace Appliances
Lead Sponsor:
University of Baghdad
Conditions:
Class II Division 1 Adolescent Patients
Eligibility:
All Genders
10-14 years
Phase:
NA
Brief Summary
This study is intended primarily to compare the effects of two Class II correction appliances, namely Twin block and Myobrace appliances, on pharyngeal airway dimensions during the treatment of class ...
Detailed Description
This study is a multicenter randomized comparative clinical trial, employing non-stratified randomization in two-parallel arms with equal allocation ratio of 1:1. Patients will be recruited from Ortho...
Eligibility Criteria
Inclusion
- Age: 10-14 years, at growth spurt phase as determined by the cervical vertebrae maturation stage (C3- C4 ) assessed by lateral cephalograms.
- Skeletal relationship: skeletal class II (ANB angle \> 4°) with normal maxilla (SNA angle 78°- 84°), and retrognathic mandible (SNB angle \< 77 °).
- Dental relationship: Moderate to severe dental class II division 1 malocclusion with overjet 6 -10 mm.
- Convex facial profile.
- Well aligned/mild crowding (\< 4 mm) of dental arches.
- Good to fair oral hygiene status as based on a simplified oral hygiene index (OHI-S).
- Normal or decreased lower facial height (SN-MP angle ≤ 32).
Exclusion
- Previous orthodontic/orthopedic treatment.
- Patients with dental open bite
- Patients with obvious facial asymmetry.
- Patients with orofacial cleft.
- Previous extractions.
- Presence of mandibular shifts.
Key Trial Info
Start Date :
May 20 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
August 1 2026
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT06976749
Start Date
May 20 2025
End Date
August 1 2026
Last Update
May 16 2025
Active Locations (1)
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1
University of Baghdad, College of Dentistry
Baghdad, Iraq