Functional orthopedic treatment aims to correct malocclusions and enhance orofacial harmony by modifying dental arch morphology and muscle function. Class II malocclusion, affecting nearly one-third of the population, is primarily associated with mandibular retrusion. Functional appliances, especially those promoting mandibular advancement, serve as a principal therapeutic modality in growing patients to stimulate skeletal correction during periods of active growth.Fixed functional appliances, such as the Forsus Fatigue Resistant Device, have gained prominence due to their ability to deliver...