PB Products X-Stiff Aligners Short Shank #8-4
PB Products X-Stiff Aligners Short Shank #8-4
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PB Products X-Stiff Aligners Short Shank #8-4
As the name suggests, these aligners are extra stiff. Because the material is firmer and stiffer, the aligner can also be slightly refined in shape. The X-Stiff version is therefore slightly more compact and finer than its regular predecessor. Available for hook sizes 1 to 4 and for hook sizes 4 to 8, which also fit many hook sizes 10, by the way.
