1. Department of Prosthodontics and Periodontics, Piracicaba Dental School, University of Campinas (FOP/UNICAMP), Piracicaba, Brazil
2. Institute of Science and Technology, São Paulo State University (UNESP/FOSJC), São José dos Campos, Brazil
3. Materials Engineering Academic Unit, Technology and Sciences Center, Federal University of Campina Grande (UFCG), Campina Grande, Brazil
4. Department of Dental Restorative Dentistry, Federal University of Paraíba (UFPB), João Pessoa, Brazil
5. Division of Prosthodontics, Department of Dental Restorative Dentistry, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
6. Division of Prosthodontics, Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, Brazil