作者单位:Department of Oral Diagnosis and Bioscience, School of Dentistry, UNESP-Univ Estadual Paulista, S?o[1]Oral Imaging Center, School of Dentistry, Oral Pathology and Maxillofacial Surgery, Leuven, Belgium[2]Department of Diagnosis and Surgery, School of Dentistry, UNESP-Univ Estadual Paulista, S?o Jos[3]