1. Department of Conservative Dentistry, Federal University of Rio Grande do Sul - UFRGS, Porto Alegre, Brazil.
2. Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry/University of São Paulo - FOB/USP, Bauru, Brazil.
3. Health Science Center, Sacred Heart University - UNISAGRADO, Bauru, Brazil.