- The T1BWS is designed to optimizer the function of The Farrell Bent Wire System (BWS) to create more effective and efficient arch development. - The T1BWS continues to improve breathing and myofunctional disorders while the BWS expands the arch form to create more room for the tongue. - During times that the BWS isn’t being used, the patient is transitioned from the T1BWS appliance to the T2 appliance. **For further product information, please contact Chat Support**