paolacarrionz1 paolacarrionz1

02-06-2016
Health

contestada

what's the difference between preliminary impressions and final impressions.

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renamoonlit renamoonlit

02-06-2016

Final impressions are made with either a polyvinyl siloxane or a polysulfide siloxine . They give more accurate impressions and are stable long after they set. You can pour them days later :) Hope this helped at least a little bit, and good luck
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