Cortical- Dual Force Distalizer: A new anchorage device for the distalization of upper molars.

Extra oral traction has been one of the most used devices to distalize molars However, due to the need for cooperation and the lack of acceptability by the patients because of the psychosocial implications, a series of intraoral devices such as Niticoils, Magnets, the Distal Jet, the First Class, th...