The 911H is a medium grit, double-sided diamond disc used for IPR, and separating and contouring ceramics and temporary acrylic.
The 911H is 0.15 mm thick. Please reference below for the diamond coating amount:
Sizes 140 and 180 are popular for interproximal reduction and size 220 for extra-oral / in lab use.
A disc guard is recommended when using the 911H.
This double-sided diamond disc is available in the following grits:
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