By Erika S.J. Pereira, DDS, MS,*† Rupinderpal Singh, DDS,* Ana Arias, DDS, PhD,*
and Ove A. Peters, DMD, MS, PhD*
From the *Department of Endodontics, University of the Pacific, Arthur A. Dugoni School of Dentistry, San Francisco, California; and †Restorative Dentistry, Faculty of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil. Supported by the Fundac¸~ao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG), Belo Horizonte, MG, Brazil, and Pro-Reitoria de Pesquisa da Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
Address requests for reprints to Dr Erika S. J. Pereira, Restorative Dentistry, Faculty of Dentistry, Universidade Federal de Minas Gerais (UFMG), Av. Pres. Ant^onio Carlos, 6627 – Campus Pampulha, 31.270-901 Belo Horizonte, MG, Brazil. E-mail address: erikajoviano@gmail.com