1. Department of Morphology, Institute Of Biological Sciences, University Federal of Minas Gerais, Belo Horizonte, MG, Brazil
2. Department of Community and Preventive Dentistry, University Federal of Minas Gerais, Belo Horizonte, MG, Brazil
3. Postgraduate Program of Pontifical Catholic University of Minas Gerais, Belo Horizonte, MG, Brazil