[1] Fed Univ Para UFPA, Sch Dent, Dept Oral & Maxillofacial Pathol, Belem, Para, Brazil
[2] Univ Ctr Para CESUPA, Clin Odontol, Dept Oral & Maxillofacial Pathol, Sch Dent, Belem, Para, Brazil
[3] Univ Sao Paulo, Sch Dent, Dept Oral & Maxillofacial Pathol, Sao Paulo, Brazil