Comparative Study Between The Effect of Three Dimensional Printed Appliances Herbst and Mandibular Anterior Repositioning Appliance (MARA) on Posterior Airway Space And Temporomandibular Joint TMJ in Growing Class II Malocclusion Patients (Randomized Clinical Trial)
Sponsor study identifier
interventional
20
0 countries
N/A
Study Start
September 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
January 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
January 1, 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
The aim of this study is to evaluate effect of three dimensional printed appliances Herbst appliance and Mandibular Anterior Repositioning Appliance (MARA) on Posterior Airway Space (PAS) and Temporomandibular Joint (TMJ) in growing patients with Class II malocclusion. Primary outcome: Effect of three dimensional printed appliances Herbst appliance and Mandibular Anterior Repositioning Appliance (MARA) on Class II malocclusion in growing patients. Secondary outcome: To evaluate effects of two different three dimensional printed functional appliances on Posterior Airway Space (PAS) and Temporomandibular Joint (TMJ).
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
January 1, 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
July 15, 2025
Actual (reported)July 30, 2025
Actual (reported)September 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
January 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
January 1, 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
improvement in ANB angle measured on lateral cephalometric radiographs (degrees)
4-5 months
changes in posterior airway space measured in mm using cbct
4 -5 months
changes in TMJ measured in mm using cbct
4-5 months
participants will receive treatment with herbst appliance for 4 to 5 months
participants will receive treatment with mara appliance for 4 to 5 months
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First Submitted
July 15, 2025
First Posted
July 30, 2025
Study Start
September 1, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
January 1, 2027
Contact the study team to confirm eligibility.
Planned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
January 1, 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
July 30, 2025
Record last verified: 2025-07
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Source: ClinicalTrials.gov.
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