Effect of different light-curing techniques on hardness of a microhybrid dental composite resin by Alessandra Nara de Souza Rastelli, Ricardo Scarparo Navarro, José Roberto Cury Saad, Marcelo Ferrarezi de Andrade, Vanderlei Salvador Bagnato

“…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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