1. Department of Prosthodontics and Dental Materials; Meridional Faculty - IMED; Passo Fundo RS Brazil
2. Department of Restorative Dentistry; Centro de Estudos Odontológicos Meridional - CEOM; Passo Fundo RS Brazil
3. Post-graduate Program in Dentistry, Dental School; University of Passo Fundo; Passo Fundo RS Brazil