MEMORIA® COIL SPRINGS In superelastic nickel titanium alloy, they have always been used in orthodontic treatments. These springs combine the characteristics of coil spring design with the non-deformable properties of superelastic MEMORIA® alloy. Available open for compressions and gain in space, closed with wound ends for use with hooks of tubes and brackets. The type with a ligature wire allows spaces wider than 15 mm to be linked.

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