Affiliation: | 1.Oral Pathology Postgraduate Program, Department of Dentistry, Federal University of Rio Grande Do Norte, Av. Salgado Filho, 1787, Natal, RN, Brazil ;2.Department of Oral Pathology, Federal University of Rio Grande of Norte, Av. Salgado Filho, 1787, Lagoa Nova, Natal, RN, 59056-000, Brazil ; |