Improved Outcomes. More Patients. INVISALIGN® FEATURES IMPROVED EXTRUSIONS, ROTATIONS, ROOT MOVEMENT, AND IPR. Extrusion Extrusion and Rotation Attachments New attachments are designed to improve anterior teeth extrusions and canine rotations. Power Ridges™ Power Ridges optimize forces on upper centrals and lateral incisors to help deliver lingual root torque. Watch video demos at www.invisalign.com/jaos force Rotation force force Attachments are representative. Actual geometry and color will vary based on patient’s teeth. © 2010 Align Technology, Inc. All Rights Reserved. NEW!