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The FTB (Flores Twin Block): a new fixed functional appliance.

Functional Orthopaedics, Functionalism and their appliances have as their objective to correct the skeletal dysplasia that underlies many malocclusions, taking advantage of the potential of the stomatognathic system's strength. The range of functional appliances is very extensive and there is a great variety thereof. Basically, functional appliances can be: removable functional appliances and fixed functional appliances. In this article, we are going to present a new design for fixed functional appliances for the treatment of Class II, basing ourselves on the biomechanical principles of the Twin Block. We believe this new design, compared with other fixed functional appliances currently in use, improves patient comfort, providing a more effective response and helps us to treat our Class II cases with total success.