Document Classification

Section Type: METHODS

Text: The restoratives were applied to all dentin surfaces according to the manufacturer 's instructions, using a special jig (Ultradent) in the following manner : Group 1 : a nano-composite (NC) (Filtek Supreme XT-3M ESPE) was applied with a two-step self-etch adhesive (SE) (Adper SE Plus-3M ESPE) ; Group 2 : NC was applied with an etch & rinse adhesive (SB) (Adper Single Bond 2-3M ESPE) ; Group 3 : a flowable nano-composite (FNC, Filtek Supreme XT Flow-3M ESPE) was applied with SE ; Group 4 : FNC was applied with SB and Group 5 : a nanofilled resin-modified glass ionomer (Ketac N100-3M ESPE) was applied with Ketac Nano Primer (3M ESPE).