-14%
Casting and welding
Elastomers
Intraoral metallic and esthetical
Quick-buy
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Free return
30 days return guaranteeAll Leone orthodontic screws are made of biocompatible stainless steel and screw thread with a centesimal tolerance. The thread surface is completely smooth; the bodies and the guided pins are being manufactured with a tolerance ±0,01 mm thus ensuring absolute stability and precision. Expansion screws have been always used as the active part of any removable appliance. The range includes several types in various sizes with variable expansion capability and different technical properties: each type is provided with double guided pins and a directional arrow to indicate the direction of activation.