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AMALGAM IN THE MAKING OF A FILLING 145

Polishing. All amalgam fillings should receive as thorough and
careful ])olishing as gold. This must be done at a subsequent sit-
ting. In proximal fillings the separator should be adjusted and the
contact point properly formed and polished.
For this Avork abradents of onlj- the finest nature should be em-
ployed. Burs, carborundum stones, coarse strips and disks only do
harm and prolong the operation. Fine strips, disks, wood points
and leather wheels, using first pumice then whiting, and lastly the
tooth polishing rubber cups should be used.
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