Orthodontic Appliances Clinical Trial
Official title:
The Effect of T4K Versus Twin Block in Developing Class II Division I Malocculsion (Randomized Controlled Clinical Trial)
The aim of this study was to evaluate and compare the effect of myofunctional trainer T4K versus twin block functional appliance on the dentoalveolar changes in children with class II division I malocclusion
This study was a parallel arm randomized comparative clinical trial including 20 healthy children age ranged from 9-12 years showing Angle's class II division I malocclusion due to mandibular retrusion. Preoperative photographs, radiographs and study casts were taken, children were randomly assigned into two groups according to the appliance used; Group 1: T4k, and Group II: twin block. Follow up was done every 4 weeks for 9 months. Postoperative cephalometric X ray, study casts and photographs were retaken for measurements and comparison. ;
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