- The K2 Broad focuses on arch development and continuing habit correction in patients with a genetically broad arch form. - It has small breathing holes to maintain continuous nasal breathing and myofunctional features to promote correct habits. - It features a revolutionary Dynamicore inner cage for arch development and to further improve habit correction. - Move to the K3 Broad when the K2 Broad has corrected the arch form, breathing and myofunctional habits. **For further product information, please contact Chat Support**