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Abstract
Objectives: The objective of the study is to assess the skeletal, dental, and soft-tissue effects of PowerScope fixed functional appliance in Class II malocclusion. Materials and Methods: Fifteen late adolescent Class II subjects (CVMI Stages 5 and 6) were treated with fixed mechanotherapy and PowerScope fixed functional appliance. Student t -test was used to compare the cephalometric changes produced before insertion of appliance (T1) and 6 months after the treatment with this appliance (T2). Results: Maxillomandibular relationship improved with significant lengthening of the mandible. There was retroclination of maxillary incisors, proclination of mandibular incisors, extrusion, and sagittal displacement of mandibular molars and clockwise rotation of occlusal plane. Conclusion: PowerScope is effective in correcting Class II malocclusion with a combination of dentoalveolar (primarily) and skeletal changes.
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