Effects of Skeletal Anchored Versus Incisal Capped Twin Block Appliance in Class II Malocclusion

"This appliance was constructed as the modified Twin Block used for the first group in addition to the following modifications:~* Addition of mini-implants interdentally between the mandibular second premolar and mandibular first molar.~* Wire hooks: wire hook element in the lower part of the appliance was incorporated in the region of incisal capping with free end projecting at the canine region on both sides.~* Intra-oral elastics were attached from the mini-implant to the wire hook bilaterally."