@article{paula_tango_sinhoreti_alves_puppin-rontani_2010,  title={Effect of thickness of indirect restoration and distance from the light-curing unit tip on the hardness of a dual-cured resin cement},  volume={21},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402010000200005},  DOI={10.1590/S0103-64402010000200005},  number={2},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Paula, Andréia Bolzan de and Tango, Rubens Nisie and Sinhoreti, Mário Alexandre Coelho and Alves, Marcelo Corrêa and Puppin-Rontani, Regina M.},  year={2010},  pages={117–122} }