Mini expansion screw for orthodontic appliances, manufactured from stainless steel with a conical skeletonized holder design. Features cross-shaped retention holes for optimal acrylic integration, travel limitation mechanism, and directional rotation arrow. Maximum expansion of 6.5mm with 0.70mm activation per four quarter-turns, indicated for transverse expansion and distalization of the lower jaw or treatment of narrow upper jaws. Package contains 100 pieces of 6.5mm maximum expansion.
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