Clinical Performance Resin Bulk Fill Dual-cured of Posterior Restorations: Clinical Study

Prior to the removal of carious lesions, the tooth will be first anesthetized. The lesion areas will be prepared with a diamond rotary instrument (801G.FG.016, Jota AG Rotary Instruments - Switzerland) at high speed and under refrigeration with abundant water. Only damaged tissue conservatively removed. The corresponding measurements it recorded with a millimeter probe (Hu Friedy®, North Carolina, Chicago, USA). Prior to the insertion of the material, the sectional matrix system and the palodent type matrix system and with a wooden wedge will be used. The manufacturer's instructions for each brand of composite resin will be followed. It conditioned with 37% phosphoric acid only in enamel, wash for twice as long and dried. The corresponding adhesive will be used f Single Bond Universal adhesive (3M-Espe, ST. Paul, MN, USA) applied for the z350 group, Tetric N-Bond Universal adhesive (Ivoclar Vivadent AG, Schaan, Liechtenstein) for TB group and One Coat adhesive (Còltene, Whaladent Inc.) for FBK group. In the case of the FBK group, a final layer of Brilliant EverGlow composite resin (Còltene, Whaladent inc) will be added. Figure 3 Photopolymerization procedures performed using an LED light source with a minimum power of 1,100 mW / cm2 (Bluephase Style, Ivoclar Vivadent, AG, Schaan, Liechtenstein). The centric and eccentric occlusal contacts were verified and adjusted. For the finishing and polishing of both protocols, flexible discs (3M ESPE, St. Paul, USA) and the Enhance system (Dentsply, Petrópolis, RJ, Brazil) were used.