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

Using a new multitooth approach for open-bite treatment and improvedOptimized Extrusion Attachments, Invisalign G4 is designed to improveclinical outcomes when treating anterior open bites. In addition, newOptimized Multi-Plane Movement features are designed to improve controlof upper laterals undergoing extrusion along with rotation and/or crowntip. Invisalign G4 also includes new Optimized Root Control Attachmentsto provide greater mesiodistal root control for canines and centralincisors.

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

The expanded Invisalign G4 product features will be available onInvisalign Full, Invisalign Teen, Invisalign Assist, Invisalign Express10 (previously InvisalignExpress), and Invisalign Lite (forInternational markets) at no additional cost to Invisalign-traineddoctors worldwide starting November 14, 2011.

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