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This device is designed for Orthodontic use. The
screws are made of titanium alloy (ASTM F 136). The head of the screw
is dual head type. The upper head is the hexagonal type(JA type). Both
of lower and upper head of JB type screw has hexagonal type, but the sizes
of the head are different. The small head size of JB type make easy to
hook up some interactive devices. Due
to the "Dual Top(Head)", it is convenient for surgeon to link
the other orthodontic material.
"Dual
Top G1 type and G2 type Screws" exhibits a cross slot in the dimension
.022 x .025 inches for incorporation of an orthodontic arch wire up
to this dimension. This "Dual Top G1 Screw" is available without
platform for more tangential insertion.
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