Corresponding Author

Department of Endodontics and Molecular Microbiology Laboratory, Faculty of Dentistry, Grande Rio University, Rio de Janeiro

Department of Dental Research, Faculty of Dentistry, Iguaçu University (UNIG), Nova Iguaçu, RJ, Brazil

Correspondence

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