298
Expansion screws
Special expansion screws
Retraction screw Medium
Material: Stainless steel
• with cone-shaped expansion screw holder
• screw body: closed
• guide pins: U-shaped, straight
With expansion screw key straight, small – standard.
Indication: for space closing and movement of individual teeth
Directional arrow: printed, blue-yellow
Maximum retraction 4 x 1/4 turn REF Quantity
4.5 mm = 0.4 mm 600-600-30 10 pieces
Neo-Bertoni three dimensional screw – three movements (type A)
Material: stainless steel
• anatomically angled multi-dimensional screw
• three independently controlled movements
• same total expansion per segment
With expansion screw key, straight, small – standard.
Indication: for combined transverse and protrusion movements with Y-plates
Directional arrow: Plastic, neon yellow
Maximum expansion 4 x 1/4 turn REF Quantity
3.5 mm/segment = 0.40 mm/segment 600-131-10 1 piece
3.5 mm/segment = 0.40 mm/segment 600-131-30 10 pieces
