Affiliation: | 1. Graduate Program in Dentistry, Catholic University of Pelotas, Pelotas, Brazil;2. Department of Social and Preventive Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil;3. Department of Public Health, Graduate Program in Public Health, Federal University of Santa Catarina, Florianópolis, Brazil;4. Graduate Program in Dentistry, Prosthodontics Division, School of Dentistry, Federal University of Pelotas, Pelotas, Brazil |