1. Rodrigo Othávio Assunção Souza, adjunct professor, Federal University of Rio Grande do Norte (UFRN), Department of Dentistry, Division of Prosthodontics, Natal, Brazil
2. Fernanda Pinheiro Barbosa, DDS, private clinical, Natal, Brazil
3. Gabriela Monteiro de Araújo, DDS, MSc, PhD student, Federal University of Rio Grande do Norte (UFRN), Department of Dentistry, Division of Prosthodontics, Natal, Brazil
4. Eduardo Miyashita, professor, Paulista University (UNIP), Department of Dentistry, São Paulo, Brazil
5. Marco Antonio Bottino, titular professor, Department of Dental Materials and Prosthodontics, Institute of Science and Technology, Univ Estadual Paulista–UNESP, Sao Jose dos Campos, Brazil
6. Renata Marques de Melo, researcher, Department of Dental Materials and Prosthodontics, Institute of Science and Technology, Univ Estadual Paulista–UNESP, Jose dos Campos, Brazil
7. Yu Zhang, New York University College of Dentistry, Department of Biomaterials and Biomimetics, New York, NY, USA