1. Biological Sciences and Health Center, University of Vale do Taquari, Lajeado, Brazil
2. Department of Restorative Dentistry, Federal University of Pelotas, Pelotas, Brazil
3. Department of Social and Preventive Dentistry, Federal University of Pelotas, Pelotas, Brazil
4. Department of Epidemiology, Federal University of Pelotas, Pelotas, Brazil
5. Department of Restorative Dentistry, Faculdade Meridional – IMED, Passo Fundo, Brazil