1. Department of Pathology and Forensic Medicine; School of Medicine; Federal University of Ceará; Fortaleza Brazil
2. Division of Endodontics; School of Dentistry; Fortaleza University; Fortaleza Brazil
3. Division of Oral Pathology; School of Dentistry; Federal University of Ceará; Fortaleza Brazil
4. Division of Oral Pathology; School of Dentistry; Fortaleza University; Fortaleza Brazil