1. Laboratory of Pathological Anatomy and Immunohistochemistry, Federal University of Pará, Belém, Pará, Brazil
2. Cell Cultivation Laboratory, Federal University of Pará, Belém, Pará, Brazil
3. Department of Oral Surgery and Pathology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
4. Health Science Institute, Federal University of Pará, Belém, Pará, Brazil
5. Biological Engineer Laboratory, Park of Science and Technology, Belém, Pará, Brazil
6. Department of Periodontics, Pará State University, Belém, Pará, Brazil