1. Fabiano Carlos Marson, DDS, MS, PhD, associate professor, Department of Restorative Dentistry, Faculty Ingá, Maringá, PR, Brazil
2. Rafael Simões Gonçalves, DDS, MS student, Department of Restorative Dentistry, Araçatuba Dental School, UNESP – Univ Estadual Paulista, Araçatuba, São Paulo, Brazil.
3. Cleverson O Silva, DDS, MS, PhD, DDS, MS, PhD, associate professor, Department of Dentistry, State University of Maringá - UEM, Maringá, Paraná, Brazil.
4. Luciano Tavares Ângelo Cintra, DDS, MS, PhD, associate professor, Department of Restorative Dentistry, Araçatuba Dental School, UNESP – Univ Estadual Paulista, Araçatuba, São Paulo, Brazil.
5. Renata C Pascotto, DDS, MS, PhD, associate professor, Department of Dentistry, State University of Maringá - UEM, Maringá, Paraná, Brazil.
6. Paulo Henrique dos Santos, DDS, MS, PhD, associate professor, Department of Dental Materials and Prosthodontics, Araçatuba Dental School, UNESP – Univ Estadual Paulista, Araçatuba, São Paulo, Brazil.
7. André L F Briso, DDS, MS, PhD, associate professor, Department of Restorative Dentistry, Araçatuba Dental School, UNESP – Univ Estadual Paulista, Araçatuba, São Paulo, Brazil.