1. Centro Universitário Luterano de Palmas CEULP, Tocantins Brazil
2. Department of Morphology, Physiology and Basic Pathology of Dentistry School of RibeirãoPretoUniversity of São Paulo Ribeirão Preto São Paulo Brazil
3. Psychobiology Graduate Program, School of Philosophy, Science and Literature of RibeirãoPretoUniversity of São Paulo Ribeirão Preto São Paulo Brazil
4. Faculty of Dentistry of PiracicabaUniversity of Campinas Campinas São Paulo Brazil