Comparative Study Between Two 3D Functional Appliances Herbst and Mandibular Anterior Repositioning Appliance (MARA) on Posterior Airway Space And TMJ in Growing Class II Malocclusion Patients

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).

NCT Number	NCT07094841
Lead Sponsor	Moataz Sleem Ahmed Ali
Conditions	Mal Occlusion Class 2
Enrollment	20 participants
Start Date	2025-09-01
Primary Completion	2027-01-01 (estimated)
Study Completion	2028-01-01 (estimated)
Updated on ClinicalTrials.gov	2025-07-30