Institution: | 1. Department of Stomatology, University of S?o Paulo, S?o Paulo, Brazil;2. Department of Semiology and Clinics, Federal University of Pelotas, Pelotas, Brazil;3. Department of Social and Preventive Odontology, Federal University of Pelotas, Pelotas, Brazil;4. Department of Restorative Dentistry, Federal University of Pelotas, Pelotas, Brazil |