Quad Helix Appliance
The Quad Helix appliance is a versatile appliance used to correct unilateral or bilateral crossbites, expand posterior segments, and align crowded teeth.This appliance has many adjustment points, most of which can be activated intraorally using a three-prong plier. It is also commonly fabricated as a removable appliance for extraoral adjusting.
The Quad Helix Expander is used to expand the maxillary arch and derotate the first molars by selectively making use of the four helical springs built into the design. it is capable of applying forces in numerous directions depending on how it is activated. The helical springs can be activated in unison or individually to achieve the desired results.