1. Department of Restorative Dentistry Endodontic Division São José dos Campos Dental School Paulista State University (UNESP) São José dos Campos, São Paulo Brazil
2. Department of Bioscience and Oral Diagnosis Biochemistry Division São José dos Campos Dental School Paulista State University (UNESP) São José dos Campos, São Paulo Brazil
3. Department of Oral Pathology Radiology & Medicine College of Dentistry University of Iowa Iowa City IA USA