Polymerization of a dual-cured cement through Empress 2 porcelain: LED curing light vs. halogen curing unit - Lopes, Lawrence Gonzaga; Franco, Eduardo Batista; Name-Neto, Abrão; Herrera, Francyle S.; Mondelli, Rafael Francisco Lia; Pedrosa, Sérgio De Freitas (Oral Sciences, 2005)