Align Technology launches Specifix 3D-printed attachments for more precise Invisalign treatments

Align Technology presented the Specifix Attachment System at the Invisalign Ortho Summit 2026 in Las Vegas, extending its digitally controlled orthodontic manufacturing stack. Attachments-small elements bonded to teeth to give clear aligners defined movement anchors-are now 3D-printed in patient-specific shape and dimensions drawn directly from ClinCheck treatment plans, with a related transfer system meant to reduce size and placement error. The launch is limited to selected markets. Align also updated the already 3D-printed Invisalign Palatal Expander with integrated forward- or rearward-oriented hooks so elastics can address Class II and Class III malocclusions.

For Align, this is less a new printer story than deeper use of production polymer printing inside a closed clinical workflow: intraoral scan, ClinCheck planning, then individual printed appliances. Specifix pulls additive manufacturing past the aligner shell into the attachment layer that often governs complex tooth movements, keeping geometry and placement under software control instead of chairside freehand. Align cites a University of Insubria study finding that the palatal expander opens the natural suture and produces bone and bite changes comparable to a metallic Hyrax expander-clinical cover for printed hardware in selected indications.

Whether placement accuracy and chair-time gains hold outside limited launches remains open; Specifix is a controlled expansion of Align's production AM footprint, not yet a fully proven practice standard.