The Schwarz retainer it’s made of acrylic base and components: expansion screw, modified arrowhead clasps and a labial bow with vertical M-loops. The appliance it’s designed to widen upper jaw. Retention for appliance are modified arrowheads clasps. In the middle of appliance, a screw has been placed, which is activated by turning the key as instructed by dentist. From canine to canine we have a labial bow with M-loops to move the teeth in a lingual direction.

Cooperation: LAB&ORT

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