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Protrusion screw for manufacturing expansion plates in dental technology, has screw core connected with bar, where bar is firmly connected with screw body and is continuously adjusted by technical extension to installation of spindle
Protrusion screw for manufacturing expansion plates in dental technology, has screw core connected with bar, where bar is firmly connected with screw body and is continuously adjusted by technical extension to installation of spindle
The protrusion screw has a screw core (3), which is in connection with a bar (1). The bar is firmly connected with the screw body at an angle of 120 degrees and is continuously adjusted by technical extension to the installation of a spindle (4) in a protrusive manner. The protrusion screw has two sliding bars (6), an activated spindle and retentions (2) to hold in the plastic. The screw core is guided through the sliding bars.
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