1. Brazilian Dental Association-São Gonçalo Division (ABO-São Gonçalo); São Gonçalo Rio de Janeiro Brazil
2. Department of Prosthodontics; São Leopoldo Mandic School of Dentistry; Campinas São Paulo Brazil
3. Department of Oral Medicine and Pediatric Dentistry, School of Dentistry; State University of Londrina; Londrina Paraná Brazil
4. Department of Prosthodontics, School of Dentistry; Fluminense Federal University; Niterói Rio de Janeiro Brazil
5. Department of Restorative Dentistry, School of Dentistry; State University of Londrina; Londrina Paraná Brazil