1. Department of Dental Clinic; Division of Oral Pathology; Faculty of Pharmacy, Dentistry and Nursing; Federal University of Ceara; Fortaleza Ceara Brazil
2. Department of Biotechnology; Faculty of Biotechnology; Federal University of Ceara; Fortaleza Ceara Brazil
3. Department of Physiology and Pharmacology; Faculty of Medicine; Federal University of Ceara; Fortaleza Ceara Brazil