1. *Bianca M Maran, DDS, MS, PhD, professor, Department of Restorative Dentistry, School of Dentistry, State University of Western Paraná, Cascavel, Paraná, Brazil; Postgraduate Program in Dentistry, School of Dentistry, University of North Paraná, Londrina, Paraná, Brazil
2. Patrícia K Ziegelmann, DDS, MS, PhD, associate professor, Statistics Department and Post-Graduation Program in Epidemiology, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
3. Sandrine Bittencourt Berger DDS, MS, PhD, professor, Department of Restorative Dentistry, School of Dentistry, University of North Paraná, Londrina, Paraná,
4. Adrieli Burey, DDS, MS, PhD student, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, Paraná, Brazil
5. Thalita de Paris Matos, DDS, MS, PhD student, Department of Restorative Dentistry, School of Dentistry, State University of Ponta Grossa, Ponta Grossa, Paraná, Brazil
6. Eduardo Fernández, DDS, MS, PhD, professor, Department Restorative Dentistry, University of Chile, Santiago de Chile, Chile; Professor, Universidad Autónoma de Chile, Instituto de Investigaciones Biomédicas, Santiago de Chile Chile
7. Alessandro D Loguercio, DDS, MS, PhD, adjunct professor, Department of Restorative Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil
8. Alessandra Reis, DDS, MS, PhD, adjunctive professor, Department of Restorative Dentistry, State University of Ponta Grossa, Ponta Grossa, PR, Brazil