Affiliation: | 1. Department of Dentistry, The State University of Montes Claros, Montes Claros, Northern Minas Gerais, Brazil;2. Department of Physical Sciences, Piracicaba Dental School, The State University of Campinas, Piracicaba (SP), Northern Minas Gerais, Brazil;3. Dean, Center for Research, The Educative Association of Brazil, Northern Minas Gerais, Brazil;4. Department of Social and Preventive Dentistry, The Federal University of Minas Gerais, Minas Gerais, Brazil |