Description
In Class II cases with extraction, it may be useful a stainless steel arch with a 0.30” silver soldered brass post incorporated. The posts are positioned at variable distance: upper archwires in 34 to 44 mm sizes, lower in 22 to 32 mm, 2 mm increments. The most commonly used sizes are 36 mm for the upper arch and 28 mm for the lower.
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Documentație:MSDS-G7-E-1
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