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Effect of different light-curing techniques on hardness of a microhybrid dental composite resin
Published 2014-01-01“…The samples were stored in dry mean by ± 24 hours and the hardness measurements were performed in a testing machine (Buehler MMT-3 digital microhardness tester Lake Bluff, Illinois USA). A 50 gf load was used and the indenter with a dwell time of 30 seconds. …”
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