Skeletal Class II malocclusion wirh retrognathic mandible. Encounter for fitting and adjustment of orthodontic device
Conditions
Interventions
Intervention 1: Intervention group: Powerscope 2 (American Orthodontics) class II corrector. Intervention 2: Intervention group: CS-2000 (Dyna flex) class II corrector. Intervention 3: Intervention g
Sponsors
Hawler Medical University
Eligibility
Sex/Gender
All
Age
15 Years to 23 Years
Inclusion criteria
Inclusion criteria: Clinical manifestation of a retrognathic mandible, as determined by cephalometric study, with an ANB angle larger than 4?, due to the retrognathic mandible [SNB angle < 78?] Permanent dentition with angle Class II division 1 malocclusion with no missing or history of extraction. Patients without history of TMJ dislocation or pain. No history of orthodontic treatment. Complete treatment records [cephalometric and panoramic X-ray, photography, and digital study models]. Absence of transverse pre-treatment discrepancy. Non-extraction treatment strategy and Class I occlusal relationship following treatment. Cervical vertebrae maturation stages 4,5, and/or 6 in healthy pro-pubertal patients
Exclusion criteria
Exclusion criteria: Patients having a history of trauma or TMJ operations, severe TMDs, systemic issues such as pregnancy, former orthodontic treatment, claustrophobia, or dental appliances or restorations that could have compromised patient safety during an MRI scan were not included in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Disc size and width, position and dimensional change of disc, position of condyle. Timepoint: before placement and one day after correction of the class II molar relationship. Method of measurement: Magnetic resonance Imaging. | — |
Countries
Iraq
Contacts
Public ContactRebin Ali Mohammedameen
hawler Medical University
Outcome results
None listed