Institution: | 1. Department of Community and Preventive Dentistry, School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil;2. School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil;3. Hospital Fundation of Minas Gerais State, Betim, Brazil;4. Estadual University of Montes Claros, Montes Claros, Brazil |