306
Expansion screws
Special expansion screws
Piston spring screws assortment
Material: Stainless steel
• delicate design
• constant, elastic and easily controllable pressure
on the tooth to be moved
• a protrusion of up to 7 mm can be attained according to the
progress of treatment using three different lengths of screws
(4 / 6 / 8 mm)
Indication: for movement of individual teeth
4 x 1/4 turn = 0.35 mm
REF 609-500-00 1 assortment
Contents:
10 x piston spring screw, length 4 mm REF 609-004-00
10 x piston spring screw, length 6 mm REF 609-006-00
10 x piston spring screw, length 8 mm REF 609-008-00
10 x positioning screw REF 609-100-00
10 x serrated housing nut REF 609-200-30
1 x reamer REF 609-300-00
1 x screwdriver REF 609-400-00
Piston spring screw
Material: Stainless steel
• delicate design
• constant, elastic and easily controllable pressure on the tooth to be moved
Indication: for movement of individual teeth
Length 4 x 1/4 turn REF Quantity
4.0 mm = 0.35 mm 609-004-00 10 pieces
6.0 mm = 0.35 mm 609-006-00 10 pieces
8.0 mm = 0.35 mm 609-008-00 10 pieces
Positioning screw
For piston spring screw.
To position the piston spring screw into the acrylic.
Material: stainless steel
Length REF Quantity
12.0 mm 609-100-00 10 pieces
Serrated housing nut
For piston spring screw.
To position into acrylic or to weld onto wire elements.
Material: stainless steel
Length REF Quantity
3.0 mm 609-200-30 10 pieces