Corresponding Author

José F. Siqueira Jr

Department of Dental Research, Faculty of Dentistry, Iguaçu University (UNIG), Nova Iguaçu, RJ, and Department of Endodontics and Molecular Microbiology Laboratory, Faculty of Dentistry, Grande Rio University, Rio de Janeiro, RJ, Brazil

Corresponding author

José F. Siqueira Jr, DDS, MSc, PhD, Department of Endodontics and Dental Research, Av. Abílio Augusto Távora, 2134, Nova Iguaçu – RJ, Brazil 26260-045

e-mail: jf_siqueira@yahoo.com