Corresponding Author

Dentistry Sciences Post Graduate Program, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil

Post-graduation Program in Dentistry, Federal University of Paraíba, João Pessoa-PB, Brazil

Corresponding author

Hélder Domiciano Dantas Martins, Federal University of Rio Grande do Norte, Department of Oral Pathology, 1787, Senador Salgado Filho Av., Lagoa Nova, Zip Code 59056-000 Natal, RN, Brasil

E-mail: helderdomiciano@hotmail.com