- The Myobrace appliance is to be used for one to two hours each day, plus overnight while sleeping. - The patient's teeth may become slightly sensitive in the early stages of treatment. - This is quite normal, however, if pain becomes excessive, decrease application time with the aim to build it back up once the appliance is accustomed to and sensitivity subsides. - The design features of the P-3 are suited to establish a Class I anterior relationship, while retaining arch form, breathing and myofunctional habits in Class III patients in the permanent dentition. - Size: Large. - Color: Green. **For further product information, please contact Chat Support**