[1] Pontifical Catholic Univ Rio Grande Sul PUCRS, Sch Hlth Sci, Dept Oral & Maxillofacial Surg, Porto Alegre, RS, Brazil
[2] Pontifical Catholic Univ Rio Grande Sul PUCRS, Sch Hlth Sci, Dept Radiol, Porto Alegre, RS, Brazil
[3] Pontifical Catholic Univ Rio Grande Sul PUCRS, Sch Hlth Sci, Dept Oral Pathol, Porto Alegre, RS, Brazil