1 Federal University of Sergipe (UFS), Department of Dentistry, R. Cláudio Batista, s/n, Santo Antônio, 49060-102 Aracaju, SE, Brazil.
2 Federal University of Minas Gerais (UFMG), Department of Oral Surgery and Pathology, School of Dentistry, Av. Presidente Antônio Carlos, 6627, Pampulha, 31270-901 Belo Horizonte, MG, Brazil.
3 Muriaé Cancer Hospital, Cristiano Varella Foundation, Av. Cristiano Ferreira Varella, 555, Universitário, 36880-000 Muriaé, MG, Brazil.
4 Ages University Center, Department of Dentistry, Av. Universitária, 23, Parque das Palmeiras, 48430-000 Paripiranga, BA, Brazi.