Clear Twin Block: A Step Forward in Functional Appliances

Functional appliances have been used for treatment of skeletal class II patients. Clark’s twin block appliance is a commonly used functional appliance, but it has some shortcomings like compromised appearance and lack of patient cooperation. Therefore we introduced the present modification to enhance patient cooperation and increase the efficiency of the appliance.

Clinical innovation: 

The present innovation describes a new functional appliance. The clear twin block is a modification of the traditional twin block that is made by thermoplastic clear sheets without using any wire. The unique features of this device include improved appearance and patients’ acceptance.

This appliance is relatively easy to make as wire bending is not required. Patient cooperation may also be improved as compared to traditional twin block, as there are no wire clasps to irritate the soft tissue and it is more inconspicuous. This manuscript summarizes the properties of the device and the method of fabrication.