The Haas design incorporates palatal acrylic on each side of the upper vault with a 13.5-millimeter expansion screw soldered to bands on the first molars, evenly exerting positive pressure on the palatal tissue and teeth. A 9-millimeter screw is utilized for a constricted arch.


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Available in 3D Printing?

  • Yes

Arch Options

  • Upper Arch

Screw Options


  • Click Screw

Anchorage Types

  • Bands
  • ROCS
  • Crowns

Acrylic Color Options

  • Please note that only the Specialty Appliances standard colors may be selected. No custom designs or swirls.