This clinical trial aims to evaluate the effects of a combined treatment involving an open bite activator and anterior skeletal anchorage-supported vertical elastics on the masseter muscle in children with skeletal open bite. A total of 24 growing individuals with increased vertical skeletal pattern were treated with a functional appliance and intermaxillary vertical elastics supported by miniscrews placed in the anterior region. Ultrasonographic and sonoelastographic assessments were performed at baseline, 6 months, and 12 months to measure changes in masseter muscle thickness and stiffness. Cephalometric radiographs were also used to evaluate dentofacial structural changes. This study aims to provide insight into the soft tissue changes associated with functional orthopedic treatment in hyperdivergent patients.
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Change in masseter muscle thickness measured by ultrasonography
Timeframe: Baseline, 6 months, and 12 months