- The K3 Broad focuses on final alignment of the teeth while retaining the arch form, breathing and myofunctional habits in patients with a genetically broad arch form. - It is the firmest appliance in the series, designed to provide the best retention of arch form and habits. - By this stage of treatment, patients' teeth will be mostly aligned and, therefore, the K3 Broad can be used to finalize any remaining mild malocclusion. **For further product information, please contact Chat Support**