The Leone expansion screws for removable orthodontic appliances derive from 80 years of extensive research, design and millions of clinical cases.
The entire production process takes place in Italy with computer aided automated machines. The screws are made of biomedical stainless steel of the highest quality and male screw threads with centesimal tolerances and total absence of surface roughness. The bodies and the guides are made with tolerances of +/-0.01 mm which ensure stability and precision. The wide range available allows the production of any type of removable device.
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Asymmetric Fan Type Screw
Asymmetric fan type expansion screw for upper appliances, sold individually.
A0516-14
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Bi-fan Type Screw
Bi-Fan type expansion screw for upper appliances, sold individually.
A0518-14
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Fan Type Screw
Standard expansion screw for upper appliances, sold individually.
A0815-14
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Mandibular Bow Screw
MANDIBULAR BOW SCREW
A0517-25
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Medium Screw
Medium expansion screw, sold in packs of 10 or 100
A0803-11
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Micro Sectional Screw
Micro sectional expansion screw, sold in packs of 10 or 100
A0801-10
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Micro Sectional Screw U-shape
Micro sectional expansion screw with straight u shaped guide pin, sold in packs of 10 or 100
A0801-12
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Micro Sectional Screws
Micro Sectional Expansion Screw With Bent U Shaped Guide Pin, sold in packs of 10 or 100
A0802-00
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Micro Spring Screws
A0660-06
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Standard Screw Uppers
For all types of transversal expansion movements in the upper palates
A0805-111
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Super Micro Screw
Super micro expansion screw for upper appliances
A0890-111
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Super Micro Sectional Screw
Super micro sectional expansion screws, sold in packs of 10 or 100
A0891-09
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Symmetric Fan Type Screw
Fan type expansion screw for upper appliances, sold individually.
A0515-14
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Three Dir.Screw, 3point
Three directional screw, anatomical, 3 activation points. Sold individually.
A0930-14
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Three Directional Screw
Allows for both transversal and sagittal expansion. 2 activation points.
A0931-14
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Three Directional Screw Lower 13mm
Three Directional Screw Anatomical For Lower Arch.
A0932-13
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Trapezoidal Screws
Trapezoidal expansion screw for upper appliances.
A0813-00
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Universal Screw
Extremely narrow sizes for use both in upper and lower palates.
A0800-10
