1. Department of Restorative Dentistry; Piracicaba Dental School, University of Campinas; São Paulo Brazil
2. Department of Dental Materials and Prosthodontics; Araçatuba School of Dentistry, São Paulo State University; São Paulo Brazil
3. Private Practice; São Paulo Brazil
4. Department of Restorative Dentistry; Araçatuba School of Dentistry, São Paulo State University; São Paulo Brazil