Hyrax Rapid Palatal Expander

Rapid Palatal Expander is an all-metal expansion appliance typically providing sutural separation of 11mm within a very short period of wear. Up to 13mm is possible. Appliance screw is activated from front to back. Each activation of the screw produces approximately .2mm of lateral expansion.When path of insertion is not a concern and a more rigid appliance is desired,this four-banded version is available