- The i-3N focuses on establishing nasal breathing and initial myofunctional correction for Class III patients in the mixed dentition. - It is soft and flexible, giving the best compliance while being adaptive to any arch form and malocclusion. - It has small breathing holes to establish continuous nasal breathing and myofunctional features to promote correct habits. - Move to the i-3 when the i-3N is staying in overnight and nasal breathing has been established. **For further product information, please contact Chat Support**