Align Technology Inc, San Jose, Calif, has introduced Invisalign G4, its new aligner system.

Using a new multi-tooth approach for open-bite treatment and improved Optimized Extrusion Attachments, Invisalign G4 is designed to improve clinical outcomes when treating anterior open bites. In addition, new Optimized Multi-Plane Movement features are designed to improve control of upper laterals undergoing extrusion along with rotation and/or crown tip. Invisalign G4 also includes new Optimized Root Control Attachments to provide greater mesiodistal root control for canines and central incisors.

In addition to these new features, Optimized Attachments that were introduced with Invisalign G3 can now be used in conjunction with Precision Cuts when treating Class II and Class III patients with Invisalign.

The expanded Invisalign G4 product features will be available on Invisalign Full, Invisalign Teen, Invisalign Assist, Invisalign Express 10 (previously InvisalignExpress), and Invisalign Lite (for International markets) at no additional cost to Invisalign-trained doctors worldwide starting November 14, 2011.

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