1. Andrea S Castro, DDS, MS, assistante professor, School of Dentistry, Tuiuti University, Curitiba, PR, Brazil
2. Bianca M Maran, DDS, MS, PhD, Department of Restorative Dentistry, School of Dentistry, State University of Western Paraná, Cascavel, PR, Brazil
3. Mario F Gutierrez, DDS, MS, PhD, assistant professor, University de los Andes, Chile; assistant professor, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago, Chile
4. Kaprice Chemin, DDS, MS, PhD, assistant professor, School of Dentistry, Department of Health Sciences, School Unicesumar, Ponta Grossa, PR, Brazil
5. Maria L Mendez-Bauer, DDS, MSc, PhD, associate professor, Research Department, School of Dentistry, University Francisco Marroquin, Guatemala City, Guatemala
6. Jorge P Bermúdez, DDS, MS, PhD student, Department of Prosthodontics, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
7. Alessandra Reis, DDS, PhD, associate professor, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
8. *Alessandro D Loguercio, DDS, MS, PhD, associate professor, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil