About this trial
The aim of this study is to evaluate the effect of custom-made CMA vs. the ready-made CMA.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients age (12-15) years.
Full permanent dentition.
Class II malocclusion with at least an end-on Class II molar relationship bilaterally.
Disqualifiers
Systemic conditions that may interfere with the treatment.
Bad habits that might jeopardize the appliance.
Transverse discrepancy.
Previous orthodontic treatment.
Trial design
Parallel
Treatments tested in this trial
Custom-made Carriere motion appliance
Devicecustom-made CMA from brackets, buccal tubes, stiff wire, and NiTi coil springs to treat class II malocclusion by molar distalization.
Ready-made Carriere motion appliance
DeviceReady-made Carriere motion appliance to treat class II malocclusion by molar distalization.
Treatment groups
Trial outcomes
Primary outcomes
Treatment duration
in about 6 months from the start of treatment till reaching class I molar relation
Skeletal and dental changes
angular and linear cephalometric measurements
Secondary outcomes
Soft tissue changes
angular and linear cephalometric measurements
Patient satisfaction
patient questionnaire about oral health related quality of life: their satisfaction and discomfort
Sponsors and contacts
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