Evaluation of Different Dentifrice Compositions for Increasing the Hardness of Demineralized Enamel: an in Vitro Study - Oliveira, Pedro Henrique Cabral; Oliveira, Marcia Regina Cabral; Oliveira, Luiz Henrique Cabral; Sfalcin, Ravana Angelini; Pinto, Marcelo Mendes; Rosa, Ellen Perin; Deana, Alessandro Melo; Horliana, Anna Carolina Ratto Tempestini; César, Paulo Francisco; Bussadori, Sandra Kalil (Dentistry Journal, 2019)