The Phase II Support Appliance was designed by Dr. William Clark and is used after Twin Block Treatment. The appliance has a labial bow on the upper and Adams Clasp for retention. The appliance has a ramp that extends to the central third of the lower anterior teeth to keep the mandible in a protruded position.
“With GUARDIAN, I don’t waste time with retainer appointments or tedious minor refinements. My patients get everything they need when appliances come off, even their fixed lingual bar. Nothing could be more efficient...”