1. Oral Pathology Section Department of Oral Diagnosis Piracicaba Dental School University of Campinas (UNICAMP) Piracicaba SP Brazil
2. Oral Oncology Center School of Dentistry São Paulo State University (UNESP) Araçatuba SP Brazil
3. Department of Dentistry Tiradentes University Aracaju, Sergipe Brazil
4. Laboratory of Morphology and Experimental Pathology Institute of Technology and Research Tiradentes University Aracaju, Sergipe Brazil