Sagittals & Schwartz Sagittals & Schwartz Sagittal Appliance – For Upper Advancement of Anterior Segment Upper Schwarz with Anterior Finger Springs Lower Fan Type Expansion Appliance Unilateral Sagittal with Bite Plane Moving Segment Distally Lower Fan Screw Nord Appliance with Flange-used for Unilateral Palatal Expansion Upper Crossbite Appliance-with Posterior Bite Plane and Mattress Spring Lower Sagittal-with Two Screws expanding in a Sagittal Direction