**Author details**

Márcio Campos Oliveira\*, Igor Ferreira Borba de Almeida, Almira Oliveira Pereira and Maria da Conceição Andrade Universidade Estadual de Feira de Santana, Feira de Santana, Brazil

\*Address all correspondence to: marciopatologiaoral@gmail.com

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
